Spis formatów plików
lista w projekcie Wikimedia
Spis formatów plików – spis rozszerzeń nazw plików komputerowych, używanych również w innych urządzeniach mikroprocesorowych.
Poniższy spis rozszerzeń nazw plików nie jest pełny[1][2]. Opisy pozostawiono w wersji oryginalnej.
| ### | Temp file; QTIC | #nn | Part of file image; Long |
| #24 | Printer data file for 24 pin matrix printer; LogoScript | #IB | Printer data file; LogoScript |
| #SC | Printer data file; LogoScript | #ST | Standard mode printer definitions; LogoScript |
| $$$ | OS/2 archive file (i.e archives.$$$, keys.$$$); OS/2 | $$$ | Temporary file; |
| $? | ZX Spectrum file in HOBETA format; | $00 | Pipe file; DOS |
| $DB | Temporary file; dBASE IV | $ED | Editor temporary file; MS C |
| $O1 | Pipe file; DOS | $VM | Virtual manager temporary file; Windows 3.x |
| )2( | LHA archiver temporary file; LHA | ??$ | Backup file; P-CAD |
| ??_ | Microsoft packed file; Expand | ?DK | Disk image; Loaddskf.exe |
| ?UT | Nonpacked FTN mail (? - flavor); FTN software | ___ | Adinf table; Adinf |
| _Q_ | Archive; CP/M Squeeze | ~$~ | Temporary file; 1st Reader |
| ~?? | Old [BackUp] files (.MNU to .~MN); Resource Workshop - Borland Delphi | 0 | Compressed harddisk data; DoubleSpace |
| nnn | Arj archive volumes up to 999; ARJ | nnn | Netware unicode rule table (e.g. 1250_Uni.036); Novell Netware |
| nnn | News about smth with ext. of ver. number; | nnn | RAR archive volumes up to 999; RAR |
| 000 | Compressed harddisk data; DoubleSpace | 001 | Fax; |
| 075 | 75x75 dpi display font; Ventura Publisher | 085 | 85x85 dpi display font; Ventura Publisher |
| 091 | 91x91 dpi display font; Ventura Publisher | 096 | 96x96 dpi display font; Ventura Publisher |
| 0B | Printer font with lineDraw extended character set; PageMaker | 1 | Fax; many |
| 1 | Roff/nroff/troff/groff source for manual page; cawf2.zip | 15U | Printer font with PI font set; PageMaker |
| 1ST | Usually README.1ST text file; | 2GR | 286 Grabber File; Win |
| 301 | Fax; Super FAX 2000 - Fax-Mail 96 | 386 | Intel 80386 processor driver; Windows 3.x |
| 386 | Windows virtual device driver; Win | 3DMF | QuickDraw 3D Metafile; QuickDraw |
| 3DS | 3D Studio Graphics format; 3D Studio | 3FX | Effect; CorelChart |
| 3GR | 386 Grabber File; Win | 3T4 | Binary file converter to ASCII; Util3 |
| 4C$ | Datafile; 4Cast/2 | 4MD | Musical file; |
| 4SW | 4DOS Swap File; 4DOS | 4TH | FORTH source code file; ForthCMP - LMI Forth |
| 668 | Music (the mixing is always at 12048Hz); | 669 | Music (8 channels); The 669 Composer |
| 6CM | Music (6 Channel Module); Triton FastTracker | 75 | 75x75 dpi display font; Ventura Publisher |
| 8 | A86 assembler source code file; | 85 | 85x85 dpi display font; Ventura Publisher |
| 8CM | Music (8 Channel Module); Triton FastTracker | 8M | Printer font with Math 8 extended character set; PageMaker |
| 8U | Printer font with Roman 8 extended character set; PageMaker | 91 | 91x91 dpi display font; Ventura Publisher |
| 96 | 96x96 dpi display font; Ventura Publisher | ||
| A | ADA source code file; | A | Library; unix |
| Ann | Multi volume ARJ archive; ARJ | A11 | Graphics AIIM image file; |
| AAS | Animation Play Script; AAPlay | AB6 | Datafile; ABStat |
| AB8 | Datafile; ABStat | ABC | Document; ABC FlowCharter 1.0 |
| ABF | Adobe Binary Screen Font; Adobe Software | ABK | Automatic backup file; CorelDRAW |
| ABM | Image PALS album file; | ABR | Adobe Brush file for PhotoShop; PhotoShop |
| ABS | Abstracts (info file); | ABS | Data file; Abscissa |
| ACA | Project; Project Manager Workbench | ACB | Archive; ACB |
| ACB | see ACMB; | ACC | Program (DR-DOS - ViewMax); GEM / resident |
| ACD | Audio Track; ACD | ACE | Archive; ACE |
| ACF | Adobe Custom Filter for PhotoShop; PhotoShop | ACM | Audio Compression Module add-on; Win |
| ACMB | Graphics file; | ACO | Adobe Color Palette; |
| ACT | ACTOR source code file; ACTOR | ACT | Animations Works Actor (Graphics cell); Animation Works |
| ACT | FoxDoc Action Diagrams; FoxPro | ACT | Presentation; Action! |
| AD | AfterDark screensaver module; AfterDark | AD2 | ADPCM 2-bit compressed voice file; ZFAX |
| AD3 | ADPCM 3-bit compressed voice file; ZFAX | ADA | ADA source code file; |
| ADB | Ada Package Body; | ADC | Bitmap graphics (16 colors); Scanstudio |
| ADC | Dictionary; Lingvo | ADD | OS/2 adapter device driver; |
| ADI | Graphics file; AutoCAD | ADL | MCA adapter description library; QEMM |
| ADM | After Dark support file; AfterDark | ADN | Add-in; Lotus 1-2-3 |
| ADR | After Dark support file; AfterDark | ADS | Ada Package Specification; |
| ADT | Datafile for cardfile application; HP NewWave | ADT | Dictionary; Lingvo |
| ADT | Fax; AdTech | ADV | GUS device driver; Gf166.com |
| ADX | Document; Archetype Designer | AF2 | Flowchart; ABC FlowCharter 2.0 |
| AF3 | Flowchart; ABC FlowCharter 3.0 | AFI | Truevision bitmap graphics; |
| AFL | Font file (for Allways); Lotus 1-2-3 | AFM | Datafile for cardfile application; HP NewWave |
| AFM | Type 1 font metric ASCII data for font installer; ATM - many | AFP | Shape palette; ABC FlowCharter |
| AFT | Template; ABC FlowCharter 3.0 | AFW | Workplace; ABC FlowCharter 3.0 |
| AI | Vector graphics file; Adobe Ilustrator | AIF | see AIFF; |
| AIFC | Sound; | AIFF | Audio Interchange Format File (AIFF); Convert (c) Villena |
| AiM | Asm Text Mode Image File; The Ultimate Draw | AIN | Archive; AIN |
| AIO | APL file transfer format file; | AIS | Array of Intensity Samples graphics file; Xerox |
| AIX | Datafile for cardfile application; HP NewWave | ALG | Activity Log; ARCSOLO |
| ALL | ----- (Arts & Letters) symbol and font files; Arts & Letters | ALL | Filelist w/ all files; FRQView |
| ALL | Format file for working pages; Always | ALL | General printer information; WordPerfect for Win |
| ALO | Almanac support file; | ALT | Menu file; WordPerfect Library |
| AMF | Music (Advanced Module Format); DMP | AMG | Archive; AMGC |
| AMG | System image file; ACTOR | AMS | Adobe Monitor Setup calibration file; PhotoShop |
| AMS | Music format; | ANI | Animation; IconAuthor |
| ANI | Animation cursors for Win; Win95 - WinNT | ANM | Animation; Deluxe Paint Animator |
| ANN | Help Annotations; Windows 3.x | ANS | ANSI character graphics (animation) file; ANSView |
| ANS | ASCII text ANSI character set; NewWave Write | AOL | America On-line for Windows DLL; Win |
| AOS | Add-On Software; Nokia 9000 | AP | Archive; WHAP |
| AP | Datafile; Datalex EntryPoint 90 | APC | Printer driver; Lotus 1-2-3 |
| APD | Printer driver; Lotus 1-2-3 | APF | Printer driver; Lotus 1-2-3 |
| API | Adobe Printer Ink file for PhotoShop; PhotoShop | API | Passed parameter file; 1st Reader |
| API | Printer driver; Lotus 1-2-3 | APL | APL work space format file; |
| APL | Support module used by Manugraphics APL products; | APM | Authorware Macintosh; Authorware |
| APP | Add-in application file; Symphony | APP | Application; FoxPro |
| APP | Application object file; dBASE Application Generator | APP | Executable application file; DR-DOS - NeXTstep - Atari |
| APP | Generated application; FoxPro | APR | Employee performance review; Employee Appraiser |
| APW | Authorware Windows; Authorware | APX | Appexpert database file; Borland C++ 4.5 |
| ARC | Archive; ARC - PKARC/PKXARC - PKPAS - PKUNPAK - QUARK | ARC | Archive; SQUASH |
| ARF | Automatic Response File; | ARH | Archivers definitions file; DN |
| ARI | Archive; ARI | ARJ | Archive; ARJ - ARJZ |
| ARK | ARC archive; CP/M port of ARC file archiver | ARK | Archive; QUARK |
| ARK | Managing your Money Archive File; | ARR | Arrangement; Atari Cubase |
| ART | First Publisher graphic file; First Publisher | ART | Graphics (scrapbook); Art Import |
| ART | Graphics format (Another Ray Tracer); PFS:1st publisher - Art Import | ARX | Archive; ARX |
| ASC | ASCII text file; | ASC | Transport armor file; PGP |
| ASD | Autosave file; MS Word | ASD | Presentation; Astound |
| ASD | Screen driver; Lotus 1-2-3 | ASE | Velvet Studio Sample; AWAVE |
| ASF | Datafile; STATGRAPHICS | ASF | Screen font; Lotus 1-2-3 |
| ASH | Assembly language header file; TASM 3.0 | ASI | ASIC language source; ASIC |
| ASI | Assembler include file; Turbo C - Borland C++ | ASM | Assembler language source; TASM - MASM |
| ASO | Assembler object (object orientated) file; Turbo Assembler | ASP | ASPECT source code file; Procomm Plus |
| ASP | Association of Shareware Professionals OMBUDSMN.ASP notice; | AST | Adobe Color Separtion table for PhotoShop; PhotoShop |
| ASW | Authorware Star; Authorware | AT2 | Auto template; Aldus Persuasion 2.0 |
| ATM | Adobe Type Manager data/info; | ATT | AT& T Group; GCGW |
| AU | Sound (audio) file; SUN Microsystems - Convert (c) Villena | AU | Sun/NeXT/DEC Audio file; AWAVE, GoldWave |
| AUD | Audio file; AudioRack | AUX | Auxiliary dictionary; ChiWriter |
| AUX | Auxillary references; TeX/LaTeX | AVA | Publication; Avagio |
| AVB | AntiViral Toolkit Pro Bases; | AVI | Audio Video Interleaved animation file; Video for Windows |
| AVR | Audio Visual Research; AWAVE | AVS | Application Visualization System; |
| AVT | AVATAR-coding files; A3E | AW | Text file; HP AdvanceWrite |
| AWA | Animations Works Accelerated Movie; Animation Works | AWD | Microsoft Fax At Work Document; MS Fax At Work |
| AWK | AWK script/program; | AWM | Animations Works Movie (as .AVI); Animation Works |
| AWS | Data; STATGRAPHICS | ||
| B | Batch list; APPLAUSE | B& W | Black and white graphics file; atari - mac |
| B& W | Mono binary screen image; 1st Reader | B_W | Black and white graphics file; atari - mac |
| B1N | Both mono and color binary screen image; 1st Reader | B30 | Printer font (JLaser - Cordata); Ventura Publisher |
| B8 | Raw graphics file (one byte per pixel) plane two; PicLab | BAD | Bad file; Oracle - many |
| BAK | Backup file; | BAL | Music score; Ballade |
| BAR | Horizontal bar menu object file; dBASE Application Generator | BAR | Info Bar for GFX2EXE; GFX2EXE |
| BAS | BASIC language source; QuickBASIC - GW-BASIC | BAT | Batch file; DOS |
| BB | Database backup; Papyrus | BBL | Bibliographic reference file; TeX/BibTeX |
| BBM | Brush; Deluxe Paint | BBS | Bulletin Board System announce or text info file; |
| BBS | Hudson-style messagebase; FTN software | BCH | Batch process object file; dBASE Application Generator |
| BCH | Datafile; Datalex EntryPoint 90 | BCO | Outline font description; Bitstream |
| BCP | Borland C++ makefile; | BCT | Backup dictionary; Clarion |
| BCW | Environment settings; Borland C++ 4.5 | BDC | Dictionary; Lingvo |
| BDF | Adobe Glyph Bitmap Distribution Format; Adobe Software | BDF | Binary update file; BUPDATE.EXE (c) TNT Techn. |
| BDF | Bitmap Distribution Format font file; X11 | BDF | Datafile; Egret |
| BDR | Border; MS Publisher | BDT | Dictionary; Lingvo |
| BEZ | Outline font description; Bitstream | BF2 | Bradford 2 font; |
| BFC | Briefcase Win95; Win95 | BFM | Font metrics; unix/Frame |
| BFX | Fax; BitFax | BGA | Bitmap graphics; |
| BGI | Borland Graphics Interface device driver; Turbo C - Turbo Pascal | BI | BASIC include file; Visual Basic |
| BIB | Bibliography (ASCII); | BIB | Database - not compatible with TeX format; Papyrus |
| BIB | Literature database; TeX/BibTeX | BIF | Binary Image Format b& w graphics file; Image Capture board |
| BIN | Binary file, usually zero-start (.com analog); | BIN | SGI Powerflip; |
| BIN | Text mode memory dump; The Draw - TUD - ACiDDraw - etc | BIO | OS2 BIOS; |
| BIT | Bitmap X11; | BK | Faxbook; JetFax |
| BK! | Document backup; WordPerfect for Win | BKn | Timed backup file for document window n; WordPerfect for Win |
| BK? | Backup file; | BKP | Backup file; Write - TurboVidion DialogDesigner |
| BKW | Mirror image of font set; FontEdit | BLD | BLoaDable picture; BASIC |
| BLG | Backup Log; ARCSOLO | BLK | Temporary file; WordPerfect for Win |
| BM | BitMap graphics file; | BMK | Help Bookmarks; Windows 3.x |
| BMP | OS/2 or Win graphics format (BitMap Picture); QPeg - CorelDraw - PC Paintbrush - many | BMT | Ami Pro Button; Ami Pro |
| BNK | Adlib instrument bank file; | BNR | Graphics Banner; Banner - Poster |
| BOO | Book-format; READIBM | BOO | Compressed file ASCII archive created by BOO (msbooasm.arc); msbooasm.arc |
| BPC | Chart; Business Plan Toolkit | BPP | Backup application; Clarion |
| BPT | Bitmap fills file; CorelDRAW | BR | Script; Bridge |
| BRD | Eagle Layout File; | BRK | Fax; Brooktrout Fax-Mail |
| BRK | The Brake! Mailer REXX script; The Brake! | BRL | CAD; Ballistic Research Laboratory CAD; BRL |
| BS2 | Archive; BS2.EXE | BSA | Archive; BSArc |
| BSC | Compressed Apple II file archive created by BINSCII; BINSCII | BSC | Database; Source Browser |
| BSC | Pwbrmake object file; MS Fortran | BSS | Casio Phone base; PC-LINK |
| BST | BiblioTex file (BiblioTex=bibliography file); TeX | BSY | Busy flag; FTN soft |
| BTM | Batch-to-memory (quick batch); 4dos -ndos | BTN | Makeover Button file; |
| BUFR | Binary Universal Form for the Representation; | BUFR | Meteorological Data; |
| BUG | Bugs and Problems; | BUP | Backup file; |
| BUT | Button definitions; Buttons! | BUY | Datafile format; movie |
| BVn | Overflow file below insert point in Doc n; WordPerfect for Win | BWB | Spreadsheet application; Visual Baler |
| BWR | Beware (buglist); Kermit | BYU | BYU Movie; BYU |
| C | C language source; Watcom C/C++ | C | Unix file archive; COMPACT |
| C-- | C-- language source; Sphinx C-- | C++ | C++ language source; |
| C00 | Print file; Ventura Publisher | C01 | Typhoon wave files; AWAVE |
| C86 | C source code file; Computer Innovation C86 | CA | Initial cache data for root domain servers; Telnet |
| CA? | Borland packed and splitted file; Borland Installer | CAB | Win 95 packed file; Win 95 |
| CAC | dBASE IV executable when caching on/off (see cachedb.bat); | CAD | Document; Drafix Windows CAD |
| CAL | Calendar file; Windows 3.x | CAL | Spreadsheet format; SuperCalc |
| CALS | Computer Aided Acquisition and Logistics; | CALS | Support Raster Format; |
| CAM | Casio Camera; | CAN | Fax; Navigator Fax |
| CAP | Caption; Ventura Publisher | CAP | Capture file; ProComm - Telix |
| CAS | C + ASM language source; Turbo C | CAT | Catalog; CP Backup - dBASE IV |
| CBC | Fuzzy logic system; CubiCalc | CBL | COBOL source code file; |
| CBM | Compiled bitmap graphics; XLib | CBS | MasterWord button bar configuration file; |
| CBT | Computer Based Training; many | CC | C++ source code file; |
| CC | CC language source; CC | CCC | Bitmap graphics (native format); Curtain Call |
| CCF | Communications configuration file; Symphony | CCH | Chart; CorelChart |
| CCITT | CCITT Group 3 and Group 4 Encoding; | CCL | Communication Command Language file; Intalk |
| CCO | BTX Graphics file; XBTX | CD | CD description; DN |
| CDA | CD-Audio; Win95 | CDB | Card database; CardScan |
| CDB | Main database; TCU Turbo C Utilities | CDF | Common Data Format; |
| CDF | Cyberspace Description Format; | CDF | Graphics; netcdf |
| CDK | Document; Atari Calamus | CDL | CADKey CADL Language; CADKey |
| CDM | Disk Drivers NPA; Novell NetWare | CDM | Music format (compressed); |
| CDR | Vector graphics format (drawing); CorelDraw! | CDT | Corel Draw Template File; CorelDraw! |
| CDX | Compaund index file; FoxPro | CE | Computer Eyes; Conversion Artist |
| CE | Main.ce; The FarSide Computer Calendar | CEB | Cont. Edge Bitmap; Conversion Artist |
| CEF | CA-Clipper Workbench Application; CA Clipper | CEF | Export File; |
| CEG | Bitmap graphics; Tempra Show - Edsun Continuous Edge Graphics | CEL | Animation CEL; 3D Studio |
| CEL | Graphics; Autodesk Animator - Lumena | CF | Configuration file; imake |
| CFG | Configuration file; | CFL | Chart; CorelFLOW |
| CFN | Font data; Atari Calamus | CFO | C Form Object internal format object file; TCU Turbo C Utilities |
| CFP | Fax; The Complete Fax Portable | CFT | CFast graphics file; Disney Animation Studio |
| CGA | CGA display font; Ventura Publisher | CGI | Common Gateway Interface script; |
| CGM | Computer Graphics Metafile vector graphics; A& L - HG - many | CH | Clipper language header; CA Clipper |
| CH3 | Chart; Harvard Graphics 3.0 | CH4 | Presentation; Charisma 4.0 |
| CHD | Font descriptor; FontChameleon | CHI | ChiWriter Document; ChiWriter - Chiview |
| CHK | Recovered data; DOS CHKDSK | CHK | Temporary file; WordPerfect for Win |
| CHL | Configuration History Log; | CHN | Data; Ethnograph 3 |
| CHP | Chapter file; Ventura Publisher | CHR | Character set; Turbo C - Turbo Pascal |
| CHT | Chart; Harvard Graphics 2.0 - SoftCraft Presenter | CHT | CHeaT in any program/game; many |
| CHT | Interface file for ChartMaster; dBASE | CHZ | Archive; CHARC |
| CIF | Caltech Intermediate Format graphics file; | CIF | Chapter information; Ventura Publisher |
| CiM | C Text Mode Image File; The Ultimate Draw | CIX | Database index; TCU Turbo C Utilities |
| CKB | Borland C++ 4.x editor keystroke mapping; BCW.EXE | CL | COMMON LISP source code file; |
| CLA | Source; Clarion | CLD | Clipper debugger configuration file; CA Clipper |
| CLP | Clip art graphics file; Quattro Pro | CLP | Clipboard file; Windows 3.x |
| CLP | Compiler responce file; CA Clipper | CLP | Graphics format; PCPAINT/Pictor |
| CLR | Color binary screen image; 1st Reader | CLR | Color definitions; Photostyler |
| CLR | Color scheme; Boxer/2 | CLR | Palette file for GIS format; |
| CLS | C++ class definition file; | CLW | MFC Class Wizard information; MS VC++ |
| CM | Data file; CraftMan | CMB | Xtree for Windows Button Bar file; |
| CMD | Command; dBASE - Waffle | CMD | External command menu; 1st Reader |
| CMD | OS/2 batch/REXX file; OS/2 | CMF | FM-music file (Creative Music File); |
| CMK | Card; Card Shop Plus | CMM | CMM script (batch) file; CEnvi |
| CMP | Bitmap graphics (Lead CMP compression); | CMP | Compressed data; PKWare Inc. data compression library |
| CMP | Header file for PostScript printer files; CorelDRAW | CMP | Photofinish Calibration Map; Photofinish |
| CMP | User dictionary; MS Word for DOS | CMU | Carnegie Mellon University Formats; |
| CMV | Animation (CorelMove CorelDraw 4.0); CorelMove CorelDraw 4.0 | CNC | CNC general program data; |
| CNF | Configuration (program - printer setup); program - printer setup | CNF | Configuration file; |
| CNV | Temporary file; WordPerfect for Win | CNV | Winword DLL used as part of an import operation (CNV=convertor); MS Word |
| COB | Calgari trueSpace2 File Format; | COB | COBOL source code file; |
| COD | Code definition table; UUPC | COD | Datafile; Forecast Plus - MS Multiplan - StatPac Gold |
| COD | file uncluding CODES for any program/game; many | COD | Printer code definition file; Boxer/2 |
| COD | Program compiled code; FORTRAN | COD | Template source file; dBASE Application Generator |
| COD | Videotext file; | COL | Color palette; Autodesk Animator - many |
| COL | Spreadsheet; MS Multiplan | COM | Command (memory image of executable program); DOS |
| CON | Configuration file; Simdir | CPC | Compressed image; Cartesian Perceptual Compression |
| CPD | Script; Complaints Desk | CPF | Fax; The Complete Fax |
| CPI | ColorLab Processed Image bitmapped graphics file; | CPI | MS-DOS codepage file; MODE.EXE |
| CPL | Control panel file; Windows 3.x | CPL | Presentation; Compel |
| CPP | C++ language source; Watcom C/C++ | CPP | Presentation; CA-Cricket Presents |
| CPR | Knowledge Access; GCGW | CPS | ----- backup of startup files by QEMM (?) autoexec.cps; |
| CPT | Encrypted memo file; dBASE | CPT | Mac file archive; COMPACT PRO |
| CPT | Template; CA-Cricket Presents | CPZ | Music text file; COMPOZ |
| CRA | Advanced crack file (usually text); | CRD | Cardfile; Windows 3.x - YourWay |
| CRF | Cross-reference; MS MASM - Zortech C++ | CRK | Crack file (usually text); |
| CRP | Encrypted database; dBASE IV | CRS | File Conversion Resource; WordPerfect 5.1 |
| CRT | Terminal settings information; Oracle | CRU | Compressed file archive created by CRUSH; |
| CSG | Graph; Statistica/w | CSM | Borland C++ 4.x precompiled header file; BCW.EXE |
| CSP | PC Emcee Screen Image file; Computer Support Corporation | CSS | Datafile; CSS - Stats+ |
| CSS | Datasheet; Statistica/w | CSV | Adjusted EGA/VGA palette; CompuShow |
| CSV | Comma Separated Values text file format (ASCII); | CTC | Control file; PC Installer |
| CTF | Character code translation file; Symphony | CTL | Control file; dBASE IV - Aldus Setup |
| CTX | Ciphertext file; Pretty Good Privacy RSA System | CTX | Course TeXt file; some Microsoft online guides |
| CUF | C Utilities Form definition; TCU Turbo C Utilities | CUR | Windows resource (cursor image file); Resource Workshop - WRT - Watcom Resource Editor |
| CUT | Graphics format (bitmapped graphics); dr.Halo | CV4 | Color file; CodeView |
| CVP | Cover page; WinFax | CVS | Graphics; Canvas |
| CVT | Backup file for CONVERTed database file; dBASE IV | CVW | Color file; CodeView |
| CWEB | C Web; | CXX | C++ source code file; Zortech C++ |
| DAT | Data file in special format or ASCII; | DAT | Database file; Clarion |
| DB | Сonfiguration; dBASE IV - dBFast | DB | Вatabase file; Paradox - XTreeGold - dbvista |
| DB | Multi Edit config; ME | DB$ | Temperature debug info; Clarion Modula-2 |
| DB$ | Temporary file; dBASE | DB2 | Database; dBASE II |
| DB3 | Database; dBASE III | DBA | Database file; Turbo Prolog - DataEase |
| DBD | Business data; Business Insight | DBD | Debug info; Clarion Modula-2 |
| DBF | Database file; dBASE III/IV - FoxPro - dBFast - DataBoss | DBG | Debugger script; DOS debug - Watcom debuger |
| DBG | Symbolic debugging information; MS C/C++ | DBK | Database backup; dBASE IV |
| DBM | Datafile; DataEase | DBM | Menu template; DataBoss |
| DBO | Compiled program; dBASE IV | DBS | Data file used by Managing Your Money; |
| DBS | Database in SQL Windows format; | DBS | Datafile; PRODAS |
| DBS | Printer description file; MS Word - Works | DBT | FoxBASE+ style memo; FoxPro |
| DBT | Memo file for database w/same name; dBASE IV - dBFast | DBW | Windows file; DataBoss |
| DBX | DataBeam; GCGW | DCA | Document Content Architecture text file; IBM DisplayWrite |
| DCF | Disk image file; | DCL | Delphi Control Library; Borland Delphi |
| DCM | DCM music module; AWAVE | DCP | OS/2 device code page; OS/2 |
| DCS | Bitmap graphics (CYMK format); QuarkXPress | DCS | Datafile; ACT! Activity Files |
| DCT | Dictionary: used by many programs with program dependent format; Clarion | DCT | Spell checking dictionary; Harvard Graphics 3.0 - Symphony |
| DCU | Delphi unit (compiled); Borland Delphi | DCX | Multi-page PCX graphics (common fax format); Intel - SpectraFAX |
| DD | Macintosh file archive; DISKDOUBLER | DDB | Bitmap graphics; |
| DDI | Disk image; DiskDupe | DDP | Device Driver Profile file; OS/2 |
| DEB | DEBUG script; DOS Debug | DEF | Assembly header file; Geoworks |
| DEF | Defaults - definitions; | DEF | Linker definition file; TLink - WLink... |
| DEM | Demonstration; | DEM | Digital Elevation Model; |
| DEM | Graphics file; VistaPro | DEM | Vista DEM file; Meta.exe VP3 |
| DES | Ascii text parameter description; AWAVE | DEV | Device driver; |
| DFD | Data Flow Diagram graphic file; Prosa | DFI | Outline font description; Digifont |
| DFL | Default program settings; Signature | DFM | Data Flow Diagram model file; Prosa |
| DFM | Delphi form module; Borland Delphi | DFS | Delight Sound File; |
| DFV | Printing form (Word); MS Word | DFX | Micrografx Effects DLL; |
| DGN | Graphics file; MicroStation | DGS | Diagnostics; |
| DH | Dependency information for .ph; Geoworks | DHP | Dr. Halo PIC Format graphics file; Dr. Halo II - III |
| DHT | Datafile; Gauss | DIA | Diagraph graphics file; Computer Support Corporation |
| DIB | "Device Independent Bitmap; rarely used Windows 3.0 bitmap"; Win - OS/2 | DIC | Dictionary (e.g. from WinWord); |
| DIF | Borland patch data file; Borland patch | DIF | Data Interchange Format; Visicalc |
| DIF | OS/2 V2.2 Display Information File; OS/2 | DIF | Output from Diff command - script for Patch command; |
| DIG | Digilink; AWAVE | DIG | Sound Designer 1 audio file; AWAVE |
| DIP | Graphics; | DIP | Watcom debug info processor; WatcomDebugger |
| DIR | Dialing directory file; Procomm Plus | DIR | Directory file; VAX - CPS Backup |
| DIR | Movie; MacroMind Director 4.x | DIS | Distribution file; VAX Mail |
| DIS | Thesaurus; CorelDraw | DIZ | Description file (Description In Zip); |
| DKB | Raytraced graphics; DKBTrace | DL | Animation format (Italian origin); Display - DL Viewer |
| DLD | -----; Lotus 1-2-3 | DLG | Dialog resource script file; MS Windows SDK |
| DLG | Dialog resources; DN | DLG | Digital Line Graph; |
| DLG | Windows SDK dialog editor data file; | DLL | Dynamic Link Library; Windows 3.x - OS/2 |
| DLL | Export/import filter; CorelDRAW | DLS | Setup; Norton Disklock |
| DMF | Music format (Delusion Digital Music File); Delusion | DMO | Demo; Derive |
| DMP | Dump file (eg. screen or memory); | DMS | Amiga file archive; DISKMASHER |
| DOC | ASCII doc file; | DOC | WinWord native file; MS Word |
| DOG | Screen file; Laughing Dog Screen Maker | DOH | Dependency information for .poh; Geoworks |
| DOS | External command file; 1st Reader | DOS | Network driver (eg. pkt_dis.dos); |
| DOS | OS/2 V3 SVGA PMI-File; Svga.exe | DOS | Something for MS-DOS (e.g. msdos.dos); Win95 |
| DOS | Text file containing DOS specific info; | DOT | Line-type definition file; CorelDRAW |
| DOT | MS Word document template; MS Word | DOX | Text file; MultiMate 4.0 |
| DOZ | Description Out of Zip; VENDINFO | DP | Calendar file; Daily Planner |
| DP | Data file; DataPhile | DPR | Default project- and state-related information; Borland C++ - Delphi - C |
| DPX | Digital Moving Picture Exchange; | DRP | Web3D File; Web3D |
| DRS | Display Resource; WordPerfect for Win | DRV | Driver; |
| DRW | DRaW file; Windows Draw, Designer - Micrografx (now Corel) | DRW | DRaW file; iGrafx Business, iGrafx Designer and other iGrafx - iGrafx |
| DS4 | Vector graphics; Micrografx (now Corel) Designer 4.x | DSC | Discard file; Oracle |
| DSC | Description file; | DSF | Database; DataShaper |
| DSF | DeSigner File; Micrografx, iGrafx, Corel | DSF | Delusion Digital Sound File; Delusion |
| DSK | Desktop configuration; BP - DN - BC++ - TP | DSK | Disk Drivers; Novell NetWare |
| DSM | Digital Sound Module; DSI | DSN | Design; Object System Designer |
| DSP | Display parameters; Signature | DSP | Dynamic Studio Professional Module; Dynamic Studio |
| DSP | Graphics display driver; Dr.Halo | DSP | Norton viewer DLL; Win |
| DSR | Driver Resource; WordPerfect for Win | DSS | Screensaver file; DCC |
| DSS | Sound; Digital Soup | DST | WAIN (Scanner spec) data source DLL; Win |
| DSW | Borland C++ 4.x desktop layout file; BCW.EXE | DT_ | Data fork of a Macintosh file; Mac-ette |
| DTA | Data file; Turbo Pascal - PC-File - Stata | DTF | Database file; PFS - Q& A |
| DTM | DigiTrekker music module; AWAVE | DTP | Document; Timeworks Publisher3 |
| DTP | Page Magic 2.0 publication; Page Magic 2.0 | DTP | Publication; Publish-It! |
| DVC | Data; Lotus 1-2-3 | DVI | DeVice Independent document; TeX |
| DVP | DESQView run-file; DESQView | DVP | Device parameter file; AutoCAD |
| DW2 | Drawing; DesignCAD for windows | DWB | Coryphaeus Software Designers Workbench; CSD |
| DWC | Archive; DWC | DWD | DiamondWare Digitized file; AWAVE |
| DWG | Drawing; AutoCAD - Drafix | DX | Text file; DEC WPS/DX format - DEC WPS Plus |
| DXF | Drawing Interchange File Format vector graphics (AutoCAD); AutoCAD | DXN | Fax; Fujitsu dexNET |
| DYN | Data; Lotus 1-2-3 | ||
| EAS | Extended file attributes; OS/2 | EBJ | Error-checking object file; Geoworks |
| EC | Error checking preprosessed Goc source code; Geoworks | ED5 | EDMICS; GCGW |
| EDA | Ensoniq ASR disk image; AWAVE | EDE | Ensoniq EPS disk image; AWAVE |
| EDK | Ensoniq KT disk image; AWAVE | EDL | EDL; Premiere |
| EDQ | Ensoniq sq1,2/ks32 disk image; AWAVE | EDS | Ensoniq SQ80 disk image; AWAVE |
| EDT | Default settings; VAX Edt editor | EDT | Ensoniq TS disk image; AWAVE |
| EDT | External editors definitions; DN | EDV | Ensoniq VFX-SD disk image; AWAVE |
| EEB | Button bar for Equation Editor; WordPerfect for Win | EFA | Ensoniq ASR file; AWAVE |
| EFE | Ensoniq EPS file; AWAVE | EFE | Ensoniq EPS instrument file; AWAVE |
| EFK | Ensoniq KT file; AWAVE | EFQ | Ensoniq SQ1/SQ2/KS32 file; AWAVE |
| EFS | Ensoniq SQ80 file; AWAVE | EFT | Ensoniq TS file; AWAVE |
| EFT | High resolution screen font; ChiWriter | EFV | Ensoniq VFX-SD file; AWAVE |
| EFX | Fax; Everex EFax | EGA | EGA display font; Ventura Publisher |
| EKA | Internal data files; Borland's Eureka | EL | ELISP source code file; Emacs lisp |
| ELC | Compiled ELISP code; Emacs lisp | ELI | Archive; ELI |
| ELT | Event list text file; Prosa | EMD | ABT Extended MoDule; AWAVE |
| EMD | ABT Extended MoDule; AWAVE | EMF | Microsoft Enhanced Metafile; |
| EMU | Terminal emulation data; BITCOM | ENC | Encoded file - UUENCODEd file; Lotus 1-2-3 - uuexe515.exe |
| ENC | Music; Encore | END | Arrow-head definition file; CorelDRAW |
| ENFF | Extended Neutral File Format; | ENG | Dictionary engine; Sprint |
| ENG | English documentation; | ENG | Graphics file (charting); EnerGraphics |
| ENV | Envelope or Environments; | ENV | Enveloper macro; WOPR |
| ENV | Environment file; WordPerfect for Win | EPD | Publication; Express Publisher |
| EPI | Document; Express Publisher | EPI | Encapsulated PostScript graphic file; |
| EPS | Encapsulated PostScript (Graphics format); CorelDraw - PhotoStyler - PMView - Adobe Illustrator - Ventua Publisher | EQN | Equation filE; WordPerfect for Win |
| ERD | Entity Relationship Diagram graphic file; Prosa | ERM | Entity Relationship Diagram model file; Prosa |
| ERR | Compiler/linker error report; | ESH | Extended Shell batch file; |
| ETH | Document; Ethnograph 3 | ETX | Structure-enhanced text for some ascii text browsers; |
| EUI | Ensoniq EPS family CD image; AWAVE | EVT | Events descriptions; |
| EVY | Document; WordPerfect Envoy | EWD | Document; Express Publisher for Windows |
| EX3 | Device driveR; Harvard Graphics 3.0 | EXC | Exclude file for Optimize (do not process) (QEMM); QEMM |
| EXC | REXX source code file; VM/CMS | EXE | Directly executable program; DOS |
| EXM | MSDOS executable, system-manager compliant (HP calculator); HP calculator | EXP | Protected mode EXE by PharLap Software; PharLap |
| EXT | Extensions descriptions file; | EXX | Intermediate file by MsgPut; IBM LinkWay |
| EZF | Fax; Calculus EZ-Fax | ||
| F | Archive; FREEZE | F | Fortran language source file; NDP Fortran |
| Fnn | DOS screen text font - height nn pixels; fntcol13.zip | F01 | Fax; perfectfax |
| F2R | Farandole Linear Module; Farandole | F3R | Farandole Blocked Linear Module; Farandole |
| F77 | FORTRAN 77 source code file; | F96 | Fax; Frecom FAX96 |
| FAC | see FACE; | FACE | Usenix FACE graphics file; |
| FAQ | Frequently Asked Questions text file; | FAR | Music format (Farandole Composer Module); Farandole |
| FAS | Macsyma compiled program; | FAX | Fax (raster graphics in CCITT format); most Fax programs |
| FBM | Fuzzy Bitmap; | FC | Spell checking dictionary; Harvard Graphics 2.0 |
| FCM | Binary file patch file (forward compression); jlpak10.zip | FD | Declaration file; MS Fortran |
| FD | Field offsets for compiler; DataFlex | FD | Front Door' resource files; FD |
| FDW | Form; F3 Design and Mapping | FEB | Button bar for Figure Editor; WordPerfect for Win |
| FEI | Fatal Error Infotable; Geoworks | FF | Intelligont FIAS format; |
| FF | Outline font description; Agfa Compugraphics | FFF | Fax; defFax |
| FFI | Atech FastFont (AllType); | FFIVW | File Format for the Interchange of Virtual Worlds; |
| FFT | DCA/FFT Final Form Text text file; DisplayWrite | FFT | Dca/FFT Final Form Text text file (DisplayWrite); |
| FH3 | Vector graphics; Aldus FreeHand 3.x | FH4 | Vector graphics; Aldus FreeHand 3.x |
| FI | Interface file; MS Fortran | FIF | Fractal Image Format file; |
| FIL | File template; Application Generator | FIL | Filelist; |
| FIL | Files list object file; dBASE Application Generator | FIL | Mirror.FIL is the name given to the saved FAT by the mirror program included in some versions of DOS and in PCTools; MS-DOS - |
| FIL | Overlay; WordPerfect | FIN | Print-formatted text file; Perfect Writer - Scribble - MINCE |
| FIO | Aldus PhotoStyler graphics filter; | FIO | Image PALS viewer DLL; |
| FIT | File Index Table; WindowsNT | FIT | see FITS; |
| FITS | Flexable Image Transport System; | FIX | Patch file; |
| FKY | Macro file; FoxPro | FLB | Format library; Papyrus |
| FLC | Animation format FLIC > 320x200; AAPlay - Autodesk AniPro | FLD | Folder; Charisma |
| FLI | Animation format FLIC 320x200; Autodesk Animator | FLI | TeX font library; EmTeX |
| FLM | Film Roll; AutoCAD/AutoShade | FLT | Data/file conversion filter (or overlay); Alsud - MS Word |
| FLT | Filter file; Micrografx Picture Publisher | FLT | MultiGen Flight; |
| FLT | Support file - graphics filter; Asymetrix ToolBook | FLX | Animation format; |
| FLX | Compiled binary; DataFlex | FM | Spreadsheet; FileMaker Pro |
| FM1 | Spreadsheet; Lotus 1-2-3 release 2.x | FM3 | Device driver; Harvard Graphics 3.0 |
| FM3 | Spreadsheet; Lotus 1-2-3 release 3.x | FMB | File Manager Button bar; WordPerfect for Win |
| FMF | Font or icon file; IBM LinkWay | FMK | Makefile; Fortran PowerStation |
| FMO | Compiled format file (dBASE IV); dBASE IV | FMT | Format file; dBASE IV - FoxPro - Clipper 5 - dBFast |
| FMT | Gate3 format file; | FMT | Style sheet; Sprint |
| FMV | Full Motion Video file; | FN3 | Font file; Harvard Graphics 3.0 |
| FND | Files searching properties; Win95 | FNK | FunkTracker music module; AWAVE, FunkTracker |
| FNT | Font file; many | FNX | Inactive font; Exact |
| FO1 | Font file; Borland Turbo C | FO2 | Font file; Borland Turbo C |
| FOG | Fontographer Database File; Fontographer3.5 | FOL | Folder of saved messages; 1st Reader |
| FON | Log of all calls; Procomm Plus | FON | Terminate phonebook; Terminate - Terminator - Telix |
| FON | Windows bitmapped font file; Win | FONT | Font data; unix |
| FOP | Freedom of the Press graphic file; | FOR | Form; WindowBase |
| FOR | Fortran language source file; MS Fortran - Watcom Fortran | FOT | Installed Truetype font; Windows Font Installer |
| FOX | Foxbase executable (precompiled .prg); FoxBase | FP | Configuration file; FoxPro |
| FPC | Catalog; FoxPro | FPD | TMT Pascal compiled unit; TMT Pascal |
| FPT | Foxpro memo field tables; FoxPro | FPW | Floorplan drawing; FloorPLAN plus for Windows |
| FR? | Packed mail; FTN software | FR3 | Renamed dBASE III+ form file; dBASE IV |
| FRF | FontMonger Database file; FontMonger | FRG | Uncompiled report file; dBASE IV; |
| FRL | GP-Forth library; GP-Forth; | FRM | Registration or other form; ; |
| FRM | Report file; dBASE IV - Clipper 5 - dBFast; | FRM | Visual Basic Form; Visual Basic; |
| FRO | Compiled report file; dBASE IV; | FRP | Form; PerForm PRO Plus - FormFlow; |
| FRS | Screen Font Resource; WordPerfect for Win; | FRT | Additional (FPT) report description file; FoxPro; |
| FRT | GP-Forth source file; GP-Forth; | FRX | Main (DBF) report description file; FoxPro; |
| FRX | Visual Basic binary program file; Visual Basic; | FSL | Form; Paradox for Windows; |
| FSM | Farandole Composer WaveSample; Farandole; | FST | Linkable program; dBFast; |
| FSX | Data; Lotus 1-2-3; | FTM | Font file; Micrografx |
| FTP | Configuration; FTP Software PC/TCP | FW | Database; FrameWork |
| FW2 | Database; Framework II | FW3 | Database; Framework III |
| FWEB | Fortran WEB; | FX | On-line guide; FastLynx |
| FXD | Phonebook; FAXit | FXP | Foxpro executable (precompiled .prg); FoxPro |
| FXS | FAX Transmit Format graphics file; WinFax | ||
| G | Data chart; APPLAUSE | G16 | GoldED for DOS compiled config; GOLDED.EXE |
| G8 | Raw graphics file (one byte per pixel) plane three; PicLab - Cubicomb Picturemaker | GAM | Fax; GammaFax |
| GBL | Global definitions; VAXTPU editor | GBL | Global module in Basic programs; |
| GC1 | Lisp source code; Golden Common Lisp 1.1 | GC3 | Lisp source code; Golden Common Lisp 1.3 |
| GCA | IBM GOCA; GCGW | GCD | Graphics; |
| GDF | Dictionary file; GEOS | GDS | McDonnell-Douglas Things; |
| GE | GEcho config file; GEcho | GED | EDITOR's native file format; Arts & Letters |
| GED | GoldED for DOS compiled config file; GOLDED.EXE | GED | Graphics editor file; EnerGraphics |
| GEM | Vector graphics file; GEM - Ventura Publisher | GEN | Compiled template; dBASE Application Generator |
| GEN | Generated text; Ventura Publisher | GEO | Geode; Geoworks |
| GEO | GEOS specific file (application); GEOS | GEO | GoldED for OS/2 compiled config file; GED2.EXE |
| GEX | GEcho config file; GEcho | GFB | Compressed GIF image created by GIFBLAST; gifblast.exe |
| GFO | SGI Radiosity; | GFT | Font; NeoPaint |
| GFT | GEM-translator font file; | GFX | Instant Artist graphics Files; Instant Artist |
| GFX | PCBoard @X-coded colorful text; GFX2COM - GFX2EXE | GIB | Chart; Graph-in-the-Box |
| GID | Help index; windows 95 help | GIF | Compuserves' Graphics Interchange Format (bitmapped graphics); QPeg - Display - CompuShow |
| GIW | Presentation; Graph-in-the-Box for Windows | GKH | Ensoniq Disk Image (VFX, SD, EPS, ASR, TS); Ensoniq |
| GKS | Graphics Kernel System; | GL | Animation; GRASP GRAphical System for Presentation |
| GL | Animation format; grasprt.exe, PV | GLB | Global module in Basic programs; |
| GLM | Datafile; Glim | GLO | Global module in Basic programs; |
| GLS | Datafile; Across | GLY | Winword Glossary; MS Word |
| GMF | CGM graphics file; APPLAUSE | GMP | Geomorph tile map; SPX |
| GOC | Goc source code file; Geoworks | GOE | GOES graphic file; |
| GOH | Goc header file; Geoworks | GP | Geode parameter file; Geoworks Glue |
| GPH | Graph; Lotus 1-2-3/G | GPK | Omnigo program package; |
| GR2 | Screen driver; Windows 3.x | GRA | Datafile; SigmaPlot |
| GrADS | Metafile; | GRASP | Graphical System for Presentation; |
| GRB | MS-DOS Shell Monitor file; MS-DOS 5 | GRD | Drivers for GRX (graphics library); GRX (c) Free Soft. Found. |
| GRF | Graph file; Graph Plus - Charisma | GRIB | Gridded Binary; |
| GRN | Drivers for GRX (graphics library); GRX (c) Free Soft. Found. | GRP | Group file; Windows 3.x - Papyrus |
| GRP | Pictures group; PixBase | GRY | Graphics format (RAW GREYz); |
| GS1 | Presentation; GraphShow | GSD | Vector graphics; Professional Draw |
| GSM | Raw GSM 6.10 audio stream; AWAVE | GSW | Worksheet; GraphShow |
| GUP | -----; PopMail | GV | GrandView outline file; |
| GXL | Graphics library; Genus | GZ | Archive; GNU zip - WinZipNT |
| H | Header file (usually C language); Watcom C/C++ | H-- | C-- language header; Sphinx C-- |
| H! | On-line help file; Flambeaux Help! Display Engine | H! | Pertext database; HELP.EXE |
| H++ | Header file; C++ | HA | Archive; HA |
| HAL | Data file; Hyper Access Lite OS/2 | HAM | Disk Drivers NPA; Novell NetWare |
| HAP | Archive; HAP3 | HBK | MathCAD handbook; MathCAD |
| HC | Header file; | HDF | Help file; Help Development Kit |
| HDF | Hierarchical Data File graphics file; SDSC Image Tools | HDL | Alternate download file listing; Procomm Plus |
| HDR | Datafile; Egret | HDR | Message header text; Procomm Plus - 1st Reader |
| HDR | PC-File+ Database header; | HDR | SPOT image file; |
| HDS | Hierarchical Data System; | HDW | Vector graphics; Harvard Draw |
| HDX | Help index; AutoCAD - Zortech C++ | HEP | Novell Help Librarian Data File; Novell NetWare |
| HEX | Hex dump; | HFI | HP Font Info file; GEM |
| HGL | Highlight groups definitions; DN | HGL | HP Graphics Language graphics file; |
| HH | C++ header file; | HHH | Precompiled header file; Power C |
| HHP | Help information for remote users; Procomm Plus | HI | Game high scores table; |
| HIN | Molecule; HyperChem | HIS | History of executing/viewing/editing; DN |
| HLB | Help library; VAX | HLP | Help file; |
| HLX | Multi Edit help file; MultiEdit 5.0 | HLZ | Multi Edit packed help file; MultiEdit |
| HMI | Music format (MIDI); | HMM | Alternate Mail Read option menu; Procomm Plus |
| HMP | Music format (MIDI); | HNC | CNC program files Heidenhain (?) dialog; |
| HOF | Hall Of Fame (game scores); | HP | Printout file for HP printers/plotters (HP/GL); |
| HP8 | ASCII text HP Roman8 character set; NewWave Write | HPF | HP LaserJet fonts; PageMaker |
| HPG | see HPGL; | HPGL | Plotter file vector graphics (Hewlett-Packard Graphics Language); AutoCad - Harvard Graphics |
| HPI | Font information file; GEM | HPJ | Help project; MS Help Compiler for Windows - HC. EXE |
| HPK | Archive; HPACK | HPM | Alternate Main menu for privileged users; Procomm Plus |
| HPM | EMM text; HP NewWave | HPM | High Performance Map; Quaestor 1.x |
| HPP | C++ header file; Zortech C++ - Watcom C/C++ | HPPCL | Hewlett-Packard Printer Control Language; |
| HQX | Archive (ASCII Mac); BINHEX | HRF | Graphics file (Hitachi Raster Format); |
| HRM | Alternate Main menu for limited/normal users; Procomm Plus | HRZ | Graphics format; SSTV |
| HS2 | Monochrome image; Postering | HSC | 2-op FM music; HSC tracker - hscplay.exe |
| HSI | Handmade Software Inc. graphics file almost JPEG; Image Alchemy | HST | History file; Procomm Plus |
| HTM | see HTML; | HTML | Hyper Text Macro Language (WWW); NetScape - Mosaic - many |
| HTX | Hypertext file; | HWD | Presentation; Hollywood |
| HXM | Alternate Protocol Selection menu for all users; Procomm Plus | HXX | C++ header file; |
| HY1 | Hyphenation algorithms; Ventura Publisher | HY2 | Hyphenation algorithms; Ventura Publisher |
| HYC | Data; WordPerfect | HYD | Hyphenation dictionary; WordPerfect for Win |
| HYP | Archive; HYPER | ||
| I | Preprocessor output file; Borland C Preprocessor | IAX | Bitmap graphics (IBM Image Access eXecutive); |
| IBG | PDS graphic file; | IBM | Archive (Internal IBM only); ARCHDOS |
| ICA | Bitmap graphics (Image Object Content Architecture); | ICB | Bitmap graphics; |
| ICC | ICC configuration; | ICE | Archive; Cracked LHA (old LHA) |
| ICM | ICC configuration; | ICN | ICON source code file; |
| ICO | Icon file; ICONEDIT.EXE | ID | Disk identification file; |
| IDB | IDA database; IDA | IDC | IDA C language source; IDA |
| IDE | Borland C++ 4.x IDE project; BCW.EXE | IDF | MIDI instrument description; |
| IDS | IDA imported names format; IDA | IDW | Vector graphics; IntelliDraw |
| IDX | Index; many - FoxPro | IFD | Form; JetForm Design |
| IFF | Interchange Format File (IFF); EA Software - Convert (C) Villena - Amiga | IFF | Sun TAAC Image File Format; SDSC Image Tool |
| IFP | Script; KnowledgeMan | IFS | Fractal image compressed file; Yuvpak |
| IFS | Installable file system; OS/2 | IGES | Initial Graphics Exchange Specification; |
| IGF | Inset Systems; GCGW | IHP | Watcom help file; whelp.exe |
| IHS | Inbound History; Bink/+ | IL | hDC Designer Icon Lin Dll format; |
| ILB | Data; Scream Tracker | ILK | Outline of program's format; MS ILink incremental linker |
| IM8 | Sun raster graphics file; | IMA | Mirage vector graphics; EGO - Chart - Autumn |
| IMG | ADEX graphic file; | IMG | Disk Image; NC 5.0 |
| IMG | GEM bitmapped graphics file; Ventura | IMG | Vivid IMG file; |
| IMP | Spreadsheet; Lotus Improv | IMQ | Image presentation; ImageQ |
| IN$ | Installation file; HP NewWave | IN3 | Input device driver; Harvard Graphics 3.0 |
| INB | Test script; Vermont HighTest | INC | Include file; several programming languages |
| IND | Data Index; dBASE IV | INF | Information text file (ASCII); |
| INF | Install script; | INF | OS/2 hypertext help system file; VIEW.EXE |
| INF | Type 1 LaserJet font information file; soft font installers | INFO | GNU info reader (output from texinfo); unix |
| INFO | Icon Data (Amiga); | INGR | Intergraph Raster File Format; |
| INI | Initialization file; | INK | Pantone reference fills file; CorelDRAW |
| INS | Data; WordPerfect | INS | Ensoniq Instrument File; Ensoniq |
| INS | Installation script; 1st Reader | INS | Instrument music file (Adlib); |
| INT | Borland Interface Units; | INT | Program saved in Internal (semi-compiled) format; Signature |
| INT | Source of Borland interface module; | INX | Index; Foxbase |
| IO | Archive; CPIO | IOB | 3d graphics database in TDDD format; |
| IOC | Organizational chart; Instant ORGcharting! | ION | 4DOS descript.ion file (file descriptions); 4DOS |
| IP | Immortal Player file; Immortal Player | IPL | Pantone Spot reference palette file; CorelDRAW |
| IRS | Resource (WordPerfect) standard.irs; WordPerfect | IRTR | Graphicon-2000 Interactive Real-Time PHIGS; |
| ISD | Spelling Checker dictionary; RapidFile | ISH | Archive; ISH |
| ISO | ISO-9660 table; | IST | Digitrakker Instrument File; AWAVE |
| IT | Impulse Tracker music file; Impulse Tracker | IT | Settings; intalk |
| ITF | Interface file; JPI TopSpeed Pascal | IV | SGI Inventor; |
| IV-VRML | Inventor VRML Format; | IW | Presentation flowchart; IconAuthor - HSC InterActive |
| IWA | Text file; IBM Writing Assistant | IWP | Text file; Wang |
| IZT | Izl binary token file; IZL | ||
| JAM | Jam messagebase; FTN software | JAR | Archive; JAR |
| JAS | see JASC; | JASC | Graphics format (JASC); |
| JAV | see JAVA; | JAVA | Java source code file; |
| JBD | Datafile; SigmaScan | JBIG | Joint Bilevel Image Group; |
| JBX | Project file; Project Scheduler 4 | JET | Fax; Hybrid JetFax |
| JFF | see JFIF; | JFIF | JPEG File Interchange Format; |
| JIF | see JFIF; | JMS | Music format (JMusic file); UltraForce |
| JOR | Journal file SQL; | JOU | Journal backup; VAX Edt editor |
| JPC | Graphics; Japan PIC | JPEG | Graphics file JPEG Joint Photography Experts Group format; QPeg - FullView - Display |
| JPG | see JPEG; | JTF | Fax; Hayes JT Fax |
| JTF | Graphics (TIFF file with JPEG compression); | JW | Text document; JustWrite |
| JWL | Library; JustWrite | JZZ | Spreadsheet; Jazz |
| Knn | Database key file; Clarion | K3D | Description of macro language 3DS; 3DS |
| KAR | Music format (Karaoke); | KAR | Precompiled .prg for KARAT; Rus. FOX+ 2.0 |
| KB | Keyboard script; Borland C++ 4.5 | KB | Program source; Knowledge Pro |
| KBD | Keyboard mapping; LogoScript - Signature - Procomm Plus | KBM | Keyboard mapping; Reflection 4.0 |
| KCL | Lisp source code; Kyoto Common Lisp | KDC | Kodak Digital Camera (graphics); PhotoEnhancer by PictureWorks |
| KEX | Kedit Macro File; Kedit | KEY | Datafile; Forecast Pro |
| KEY | Keyboard macros; | KEY | OS/2 archive .key-file (i.e. OS2.KEY); OS/2 |
| KEY | Security file eg. Shareware Registration info; | KFX | Kofax Group; GCGW |
| KIT | Power Chords drum kit file; Power Chord | KML | Kedit Macro Library; |
| KPP | Toolpad; SmartPad | KPS | Ibm KIPS bitmap graphics; |
| KR1 | Kurzweil 2000 sample file; AWAVE | KR2 | Kurzweil 2000 sample file; AWAVE |
| KRZ | Kurzweil K2000 File; Kurzweil | KYB | Keyboard mapping; FTP Software PC/TCP |
| L | LEX source code file; | L | Linker directive file; WATCOM wlink |
| L | LISP source code file; | LAB | Datafile; NCSS - SOLO |
| LAB | Mailing labels; Q+E for MS Excel | LAN | Erdas image file; |
| LAN | LAN Drivers; Novell NetWare | LAY | Word chart layout; APPLAUSE |
| LBG | Label generator data; dBASE IV | LBL | Label; dBASE IV - Clipper 5 - dBFast |
| LBM | Graphics format (Amiga); Pic-view - Deluxe Paint | LBM | Linear bitmap graphics; XLib |
| LBO | Compiled label; dBASE IV | LBR | Archive; CP/M LU |
| LBR | Display driver; Lotus 1-2-3 | LBT | Additional (FPT) label description file; FoxPro |
| LBX | Main (DBF) label description file; FoxPro | LCF | Linker Control File; Norton Guides compiler |
| LCH | Chart; IBM Works for OS/2 | LCK | Lockfile; Paradox |
| LCL | Data; FTP Software PC/TCP | LCL | Data (FTP Software PC/TCP); |
| LCN | Lection; WordPerfect | LCS | Datafile; ACT! History Files |
| LCW | Spreadsheet; Lucid 3-D | LD | Long Distance codes file; Telix |
| LD1 | Overlay file; dBASE | LDB | Data filer database; IBM Works for OS/2 |
| LDB | Overlay file; MS Access | LDF | Data filer form; IBM Works for OS/2 |
| LDF | Library definition file; Geoworks Glue | LE | DOS/4GW executable image; DOS/4GW PM 32X DOS Extender |
| LES | Lesson (check *.cbt); | LEV | Level file; NetHack 3.x |
| LEX | Dictionary; MS Word - Lexicon | LFD | LucasArts resource file; LucasArts games |
| LFT | Laser printer font; ChiWriter | LG | Logo procedure definitions; LSRHS Logo |
| LGO | Logo for header and footer; SuperFax | LGO | Startup logo code; Windows 3.x |
| LHA | Archive; LHA/LHARC | LHW | Amiga archive; LHWARP |
| LIB | Library file; several programming languages | LIC | License file used by some programs to put their license on disk; |
| LIF | Archive; | LIF | CA Clipper packed file; CA Clipper installer |
| LIF | Logical Interchange Format data file; Hewlett-Packard | LIM | Archive; LIMIT |
| LIN | Line types; AutoCAD | LIS | Listing; VAX |
| LIT | Web3D File; Web3D | LJ | Text file for HP LJ II printer; |
| LL3 | LapLink III related file (document); LapLink III | LMP | Demo for Doom (computer 3d game); Doom - Doom2 |
| LNG | Language defination file; | LNK | Linker response file; .RTLink |
| LNK | Linker script; | LNK | Windows 95 shortcut; Windows 95 |
| LOD | Load file; | LOG | Log file; |
| LPC | Printer driver; TEKO | LRF | Linker response file; MS C/C++ |
| LRP | Report; IBM Works for OS/2 | LRS | Language Resource File; WordPerfect for Win |
| LSA | Lightscape Technologies ASCII; | LSB | Lightscape Technologies Binary; |
| LSP | LISP language source (autoLISP); | LSP | LISP source code file; Xlisp |
| LSS | Spreadsheet; Legato - IBM Works for OS/2 | LST | Filelist; FRQView |
| LST | Keyboard macro; 1st Reader | LST | List file (archive index - compiler listfile); |
| LST | Listing (e.g. source code); | LST | Spool file; Oracle |
| LTM | Form (Lotus Forms); Lotus | LWD | Text document; LotusWorks |
| LWOB | Lightwave Object Format; | LWP | Word processor; IBM Works for OS/2 |
| LYR | Lyrics (ASCII); | LZD | Difference file for binaries; LDiff 1.20 |
| LZH | Archive; LHA/LHARC | LZS | Archive; LARC |
| LZW | Archive; LHWARP | ||
| M | Macro module; Brief | M | Source file for MatLab and Mathematica; MatLab - Mathematica |
| M_U | Backup of boot sector, FAT and boot dir; MazeGold | M11 | Text file; MASS11 |
| M3 | MODULA 3 source code file; | M3D | 3D animation macro; |
| M3U | MPEG-3 standard Playlist file; XING | M4 | M4 preprocessor file; unix |
| MA | hDC products for MicroApp executable files; MicroApp | MA | Used by Mathematica for its notebooks; Mathematica |
| MA3 | Macro; Harvard Graphics 3.0 | MAC | Bitmap graphics file; Macintosh MacPaint |
| MAC | Macro file; Multi Edit | MAG | Woody Lynn's MAG graphics format; MPS Magro Paint System |
| MAH | Mahjongg Solitaire settings file; Mahjongg Solitaire 2.00 | MAI | Mail; VAX |
| MAK | Makefile; | MAK | Project file; VB - VC ++ |
| MAN | User guide (manual); | MAP | Color palette file; |
| MAP | Format data; Micrografx Picture Publisher | MAP | Linker map file; |
| MAP | Map; Atlas MapMaker | MAP | Map file (usually created by compilers); |
| MAP | Network map; AccView | MAR | Assembly program; VAX Macro |
| MAS | SmartMaster set; Freelance Graphics | MAT | Data; MatLab |
| MAX | MAX source code file; | MB | Memo field values for database; Paradox |
| MBK | Multiple index file backup; dBASE IV | MBX | Mailbox data; Eudora/ZERBERUS |
| MCC | Configuration file; Mathcad | MCD | MathCad file; MathCad |
| MCF | Font file; Mathcad | MCI | MCI command script; Media Control Interface |
| MCL | Multi Edit macro library; Multi Edit | MCP | Application script; Capsule |
| MCP | Printer driver; Mathcad | MCW | Text file; MacWrite II |
| MD | Archive; mdcd10.arc | MDA | Data; MS Access |
| MDA | MS Access system database; MS Access | MDB | Microsoft DataBase; Microsoft Access |
| MDL | Model; 3D Design Plus | MDL | Spreadsheet; CA-Compete! |
| MDM | Modem definition file; TELIX | MDR | Microdrive file; ZX Spectrum emuulator by g.a.lunter |
| MDS | Midi Session; Sound Imp. | MDT | Data table; MS ILink incremental linker |
| MDX | Multiple index file; dBASE IV | MDZ | Text description of music module; Cubic Player - Cross-View |
| ME | MultiEdit configuration; MultiEdit | ME | Text file READ.ME; |
| MEB | Macro Editor bottom overflow file; WordPerfect Library | MEC | MECCA source; Maximus |
| MED | Macro Editor delete save; WordPerfect Library | MED | Music format; MED/OctaMED |
| MEM | Macro Editor macro; WordPerfect Library | MEM | Memory variable save file; dBASE IV - FoxPro - Clipper |
| MEM | Memos datafile; Clarion | MEQ | Macro Editor print queue file; WordPerfect Library |
| MER | Macro Editor resident area (vakioalue); WordPerfect Library | MES | Macro Editor work space file; WordPerfect Library |
| MES | Message; | MET | Document; Omnipage Pro |
| MET | Macro Editor top overflow file; WordPerfect Library | MET | OS/2 graphics metafile; PICVIEW.EXE |
| MEU | Menu group; DOS Shell | MEX | Macro Editor expound file; WordPerfect Library |
| MEX | MEX file (executable command); Matlab | MF | Metafont file; TeX |
| MFF | MIDI; Cakewalk, MTPro 4 | MFM | Music format; DMP |
| MGF | Font; Micrografx | MGF | Materials and Geometry Format; |
| MGX | Designer 4.1 Drawing; Designer 4.1 | MIB | Snmp MIB file; |
| MID | Standard MIDI file; music synthetizers | MIFF | Magick Image File Format; |
| MII | Datafile; MicroStat-II | MIME | Message in MIME format (RFC822); |
| MIS | Mission, used by many games; | MIX | Object file; Power C |
| MK | Makefile; | MK | Makefile; |
| MK | Usually makefile; | MKE | Makefile; MS Windows SDK |
| MKG | Makefile; | MKI | Graphics format (Japan MKI); |
| MKI | Japanese graphics MAKIchan format; MagView 0.5 | MKS | Data; TACT |
| ML3 | Project; Milestones 3.x | MLB | Macro library file; Symphony |
| MLI | 3DS Materials Libraries; 3D Studio | MM | Text file; MultiMate Advantage II |
| MMF | Mail message file; MS Mail | MMM | Multimedia movie file, RIFF RMMP format; MacroMind Director 3.x |
| MMO | Memo writer file; RapidFile | MMP | Output video format from Bravado board; |
| MND | Menu source; AutoCAD Menu Compiler | MNG | Map; DeLorme Map'n'Go |
| MNT | Additional (FPT) menu description file; FoxPro | MNT | Menu memo; FoxPro |
| MNU | Advanced macro file; HP NewWave | MNU | Menu; AutoCAD Menu Compiler - Norton Commander - Signature |
| MNU | Microsoft Mouse menu (for DOS apps); | MNX | Compiled menu file; AutoCAD |
| MNX | Main (DBF) menu description file; FoxPro | MNY | Account book; MS Money |
| MO? | Packed mail; FTN software | MOB | Device definition file; PEN Windows |
| MOD | MODULA-2 source code file; Clarion Modula-2 | MOD | Modula language source; |
| MOD | Module -- used by Windows for DLL which implement DOS support; Win | MOD | Music format (Amiga module); DMP - ST - MDP - VP |
| MOL | MOD4WIN PlayList; Mod4Win | MON | Monitor description; ReadMail |
| MOV | Animation format (Mac); QuickTime | MOV | Movie file; AutoCAD AutoFlix |
| MP2 | Mpeg audio file; xing | MP3 | MPEG audio stream,layer 3; AWAVE, CoolEdit(+PlugIn) |
| MPA | MPEG audio stream,layer 1,2,3; AWAVE | MPC | Calender file; MS Project |
| MPEG | Animation format; MPEG Player | MPG | see MPEG; |
| MPL | MediaRack Midi Playlist; MediaRack | MPM | MathPlan macro; WordPerfect Library |
| MPP | Project file; MS Project | MPR | Generated executable menu file; FoxPro |
| MPT | Bitmap graphics (Multipage TIFF); | MPV | View file; MS Project |
| MPX | Compiled executable menu file; FoxPro | MRB | Multiple Resolution Bitmap graphics file; MS C/C++ |
| MRK | Windows User Benchmark; Win95 | MRS | Macro Resource file; WordPerfect for Win |
| MS | Microsoft antivirus report; MSAV | MSC | Microsoft C makefile; |
| MSDL | Manchester Scene Description Language; | MSG | Message base (e.g. HMB); |
| MSG | Message text file (ASCII); | MSG | ZVoice digitized voice file; |
| MSP | Bitmap graphics file; Microsoft Paint | MSP | Graphics format; Microsoft Paint |
| MSS | Manuscript text file; Perfect Writer - Scribble - MINCE - Jove | MST | Document; MS Test |
| MST | Minispecification file; Prosa | MST | Setup script file; MS Windows SDK |
| MSW | Text file; MS Word | MSX | CP/M archive; MSX |
| MTH | Math file; Derive | MTL | Wavefront; |
| MTM | Music format; MultiTracker | MTS | Master Track Pro Files; MTPro 4 |
| MTV | MTV Ray Tracer graphic file; | MTW | Datafile; Minitab |
| MU | Quattro pro for DOS Menu definition file; Quattro Pro | MUS | Music format (MIDI in Doom); |
| MUS | Sound file; MusicTime | MVF | Stop frame file; AutoCAD AutoFlix |
| MVI | Movie command file; AutoCAD AutoFlix | MVW | Log file; Saber LAN |
| MWF | Animation; ProMotion | MWS | MWave DSP synths instrument; AWAVE |
| MXL | PackRat 5.0 support DLLs; PackRat 5.0 | MXT | Data; MS C |
| MYP | Presentation; MM Make Your Point | ||
| NAM | Name Space Modules; Novell NetWare | NAP | Naplps file (VideoShow); EnerGraphics |
| NAPLPS | North American Presentation Layer Protocol Syntax; | NB | Text file; Nota Bene |
| NC | Graphics; netcdf | NC | Instructions for NC (Numerical Control) machine; CAMS |
| NC | Non-error checking preprosessed Goc source code; Geoworks | NCC | CNC (Computer Numeric Control) control file; CamView 3D |
| NCD | Norton Change Directory support file; Norton Commander | NDB | Network database; Intellicom - Compex |
| NDL | Nodelist file; | NDX | Index file; dBASE II - III - IV - dBFast |
| NEO | Raster graphics file; Atari Neochrome | NET | Network configuration/info file; |
| netCDF | Network Common Data Format; | NEW | New info; |
| NFF | Haines Neutral File Format; | NFF | WorldToolKit Neutral File Format; |
| NFO | Filioview database; | NFO | Help format; Netware Folio |
| NFO | Info file; | NG | Hypertext Database; Norton Guide |
| NGO | NG linker object file; NGML | NGS | NG compiler source file; NGC |
| NIL | NIL; Icon Hear-It | NITF | National Imagery Transmission Format; |
| NL | Norton Desktop Icon Library; | NLM | Netware loadable module; Novell Netware |
| NLS | National Language Support file; MS-DOS | NLX | Form; FormWorx 3.0 |
| NOT | Notation; | NP | Project schedule (Nokia Planner); Nokia Planner |
| NPI | Source for DGEN.EXE intepreter; dBASE Application Generator | NSS | Norton screensaver module; NC - NDW Screen Saver |
| NST | Music module; Amiga Noise Tracker | NSX | Compound index file; SuccessWare SIX 3.00 |
| NT | Startup files; Windows NT | NTR | Executable ASCII text file (strip header and rename); netrun31.zip |
| NTS | Executable ASCII text file (strip header and rename); netsend1.zip | NTS | Tutorial; Norton |
| NTX | Database index file; Clipper 5 | NUF | Message for new users on their 1st call; Procomm Plus |
| NWS | Info text file (latest news) (ASCII); | NXT | Sound (NeXT format); |
| O | Object file; unix - Atari - GCC | O$$ | Outfile; Sprint |
| O01 | Typhoon vOice file; AWAVE | OAZ | Fax; NetFax Manager |
| OB | Object cut/paste file; IBM LinkWay | OBD | Microsoft Office Binder; MSOffice |
| OBJ | Compiled machine language code; | OBJ | Object code; Intel Recolatable Object Module |
| OBJ | Wavefront Object; | OBR | Object browser data file; Borland C++ |
| OBS | Script; ObjectScript | OBT | Microsoft Office Binder Template; MSOffice |
| OBV | Visual interface; ObjectScript | OBZ | Microsoft Office Binder Wizard; MSOffice |
| OCF | Object Craft File; Object Craft | OCR | Incoming fax transcribed to text; FAXGrapper |
| OCT | Musical file; Pctalizer | OCX | New Custom Control's format in VB 4.0; Visual Basic |
| OCX | OLE custom control; | ODIF | Open Document Interchange Format; |
| ODL | Object Description Language; | ODL | Type library source; Visual C++ |
| OFD | Form definition; ObjectView | OFF | Object File Format vector graphics; |
| OFF | Object File Format vector graphics file; | OFM | PostScript font description file; |
| OFN | MS Office documents; MSOffice | OHS | Outbound History; Bink/+ |
| OKT | Music (8 channels); Oktalyzer | OKT | Music format; Oktalyzer |
| OLB | Object library; VAX | OLD | Backup file; |
| OLI | Text file; Olivetti | OOM | Swap file; Shroom |
| OPN | Active options; Exact | OPT | Delphi project options; Borland Delphi |
| OPT | Optimize support file; QEMM | OPT | "Options; name used by many programs for configuration information"; |
| OPW | Organization chart; Org Plus for Windows | OPX | Inactive options; Exact |
| ORA | Parameter file; Oracle | ORG | Calendar file; Lotus Organizer |
| ORG | Origin plot; Microcal Origin | OTL | Outline font description; Z-Soft Type Foundry |
| OTL | Ventura Publisher's Type Foundry Outline Editor format; | OTX | Text file; Olivetti Olitext Plus |
| OUT | Output file; | OV1 | Overlay file (part of program to be loaded when needed); |
| OV2 | Overlay file (part of program to be loaded when needed); | OVD | Datafile; ObjectVision |
| OVL | Overlay file (part of program to be loaded when needed); | OVR | Overlay file (part of program to be loaded when needed); |
| P | Database PROGRESS source code; PROGRESS | P | PASCAL source code file; |
| P | Picture file; APPLAUSE | P | Rea-C-Time application parameter file; ReaGeniX code generator |
| P0? | Splitted archive UC2; SAS.EXE | P10 | Tektronix Plot; GCGW |
| P16 | Music (16 channels); ProTracker Studio 16 | P22 | Patch file (Patch22); Patch22 |
| PA1 | Worktable; PageAhead | PAC | SBStudio II Package or Song; SBStudio II |
| PAC | STAD Image (graphics ?); | PAD | Keypad definition; Telemate |
| PAK | Archive; Pak | PAL | Pallette file; Microsoft Draw - Win. Paintbrush - many |
| PAN | Printer-specific file (copy to coreldrw.ink); CorelDRAW | PAR | Parameter file; Fractint |
| PAR | PARTS application; Digitalk PARTS | PAR | Permanent output file; Windows 3.x |
| PAS | Pascal language source; Borland Pascal | PAT | Gravis Ultrasound Patch; Convert (c) Villena |
| PAT | Hatch patterns; AutoCAD - Photostyler | PAT | Vector fill files; CorelDRAW |
| PB | Fax; FAXability Plus | PB | Phonebook; WinFax Pro |
| PB | Proboard Conf. files; Proboard | PB | Setup file; PixBase |
| PB1 | Document; First Publisher for Windows | PBA | Powerbasic BASIC source code; Genus |
| PBD | Phone book; FaxNOW! - Faxit | PBI | Powerbasic include file; Genus |
| PBI | Profiler Binary Input; MS Source Profiler | PBK | Microsoft Network Phone book; MSN |
| PBL | Powerbasic library; Genus | PBM | PBM Portable Bit Map graphics format; Jasc Media C. |
| PBM | Planar bitmap graphics; XLib | PBO | Profiler Binary Output; MS Source Profiler |
| PBT | Profiler Binary Table; MS Source Profiler | PC | Text file containing IBM PC specific info; |
| PC3 | Custom palette; Harvard Graphics 3.0 | PC8 | ASCII text IBM8 character set; NewWave Write |
| PCB | P-CAD database; P-CAD | PCC | Cutout picture vector graphics; PC Paintbrush |
| PCD | Graphics format (Kodak Photo-CD); | PCD | Kodak Photo-CD Image graphics file (768x512); hpcdtoppm |
| PCF | Profiler Command File; MS Source Profiler | PCH | Patch file; |
| PCH | Precompiled header; MS C/C++ | PCJ | Multimedia authoring tool graphics file; IBM's Linkaway-Live |
| PCK | Pickfile; Turbo Pascal | PCL | HP-PCL graphics data file; HP Printer Control Language |
| PCM | OKI MSM6376 synth chip PCM; AWAVE | PCM | PCM; Authorware |
| PCS | Microsoft PowerPoint picture package; MS PowerPoint - MS ClipArt Gallery | PCT | Bitmap graphics file; Macintosh b& w PICT1 - color PICT2 |
| PCW | Text file; PC Write | PCX | PC paintbrush bitmap format; QPeg - Display - ZSoft - PC Paintbrush |
| PDA | Bitmap graphics; | PDB | Data; TACT |
| PDB | Packrat 5.0 data file; Packrat 5.0 | Adobe's Portable Document Format; Adobe Acrobat Reader | |
| Graphics file (ED-SCAN 24bit format); | Package Definition File; | ||
| PCAD Database Interchange Format; Pdifin.exe - Pdifout.exe | Print device information Netware; | ||
| PDG | Print Shop Deluxe data file; | PDL | Project Description Language file; Borland C++ 4.5 |
| PDS | Pds graphics; | PDS | Planetary Data System Format; |
| PDS | Pldasm source code file (hardware assembly); | PDV | Printer driver; Paintbrush |
| PDW | Document; Professional Draw | PEB | Program Editor bottom overflow file; WordPerfect Library |
| PED | Program Editor delete save; WordPerfect Library | PEM | Program Editor macro; WordPerfect Library |
| PEQ | Program Editor print queue file; WordPerfect Library | PER | Program Editor resident area; WordPerfect Library |
| PES | Program Editor work space file; WordPerfect Library | PET | Program Editor top overflow file; WordPerfect Library |
| PEX | Proboard EXecutable file (Executed from PB); Proboard | PFA | PostScript Font File; |
| PFA | Type 3 font file (unhinted PostScript font); | PFB | Adobe Acrobat document; Adobe Acrobat Reader |
| PFB | PostScript font; Adobe Type Manager (ATM) | PFC | Text file; First Choice |
| PFK | Programmable function keys; XTreePro | PFM | Windows Type 1 font metric file; |
| PFS | Database (PFS:FILE) - text file (PFS:Write); PFS | PFT | Printer font; ChiWriter |
| PG | Page cut/paste file; IBM LinkWay | PGI | Printer Graphics File device driver; PGRAPH library |
| PGL | HP Plotter vector graphics format; | PGM | Graphics format (Portable GrayMap); JASC Media C. |
| PGM | Program; Signature | PGP | Support file; Pretty Good Privacy RSA System |
| PGS | Manual page; man4dos | PH | Optimized .goh file; Geoworks |
| PH | PERL header file; | PH | Phrase-table; MS C/C++ |
| PHD | PolyHedra Database; | PHM | Phone book; DN - Lync |
| PHN | Phone list; UltraFax - QmodemPro | PHO | Phone database; Metz Phone for Windows |
| PHP | PHP source code (used to create dynamic web content) | PHR | Phrases; LogoScript |
| PIC | 123 Vector graphics format; CShow - Alchemy - Paint (Pictor) | PIC | Bitmap graphics file; Macintosh b& w PICT1 - color PICT2 |
| PIC | Lotus picture; | PIC | PIXAR picture file; SDSC Image Tool |
| PICT | Macintosh Picture; | PIF | OS/2 graphics metafile; PICVIEW.EXE |
| PIF | Program Information File; Windows 3.x | PIF | Vector graphics GDF format file (IBM mainframe computers); |
| PiM | Pascal Text Mode Image File; The Ultimate Draw | PIT | Compressed Mac file archive created by PACKIT; unpackit.zoo |
| PIX | Alias image file; SDSC Image Tool | PIX | Inset Pix; |
| PJ | Project; CA-SuperProject | PJT | Additional (FPT) project description file; FoxPro |
| PJX | Main (DBF) project description file; FoxPro | PK | PacKed bitmap font bitmap file (TeX DVI drivers); |
| PKA | Archive; PKARC | PKG | Installer script; Next |
| PKG | P-CAD database; P-CAD | PKT | Fido message packet; FTN software |
| PL | Palette; Harvard Graphics | PL | PERL source code file; |
| PL | Prolog source code file; | PL | Property List font metric file; TeX |
| PL1 | Room plan; 3D Home Architect | PL3 | Chart palette; Harvard Graphics 3.0 |
| PLB | FoxPro library; FoxPro | PLB | P-CAD library; P-CAD |
| PLC | Add-in file (functions - macros - applications); Lotus 1-2-3 | PLC | P-CAD database; P-CAD |
| PLL | Prelinked library; CA Clipper | PLM | DisorderTracker2 music module; AWAVE |
| PLN | Spreadsheet; WordPerfect for Win | PLT | HPGL plotter file vector graphics; AutoCAD |
| PLT | Output file for ploter; | PLT | P CAD: Output file editor for PCPLOT or PCPRINT; P CAD |
| PLT | Page Magic 2.0 paper format; Page Magic 2.0 | PLT | Palette; |
| PLT | Table for .pll; CA Clipper | PLY | Data; PopMail |
| PLY | Presentation screen; Harvard Spotlight | PLY | ZipPack; |
| PM | Bitmap graphics; Presentation Manager | PM3 | PageMaker 3.0 data file; PageMaker 3.0 |
| PM4 | Document; PageMaker 4 | PM5 | Aldus PageMaker 5.0 publication; Aldus PageMaker |
| PMC | Graphics; A4TECH Scanner | PMI | OS/2 V3 SVGA PMI-File; Svga.exe |
| PMM | Program file; Amaris BTX/2 | PMP | PhotoMorph Project; PhotoMorph |
| PN3 | Printer device driver; Harvard Graphics 3.0 | PNG | Portable Network Graphics; |
| PNM | PBM Portable aNy Map graphics file; | PNT | Macintosh painting; |
| PNT | Pointlist segment; FTN software | PNT | QWK reader pointer file; MarkMail 2.x |
| POH | Optimized .goh file; Geoworks | POL | InnovMetric Software Polygon Models Format; |
| POP | Messages index; PopMail | POP | Pop-up menu object; dBASE Application Generator |
| POV | Raytraced graphics image; Persistence Of Vision | POW | Power Chords instrument/song file; Power Chords |
| PP | Amiga archive; POWERPACKER | PPB | Button bar for Print Preview; WordPerfect for Win |
| PPD | PostScript printer description file; | PPJ | Premiere Project; Premiere |
| PPK | Archive (using for many distributives); PPK | PPL | PolaroidPalettePlus ColorKey device driver; Harvard Graphics 3.0 |
| PPM | Graphics format (Portable PixelMap); JASC Media C. | PPO | Preprocessor output; CA Clipper 5.* |
| PPP | Publication; PagePlus | PPS | Storyboard; Personal Producer |
| PPS | PowerPoint Show | PPT | General file extension; PowerPoint |
| PPT | Presentations; Microsoft | PR1 | Packrat 4.0 data file; Packrat 4.0 |
| PR2 | Packrat 4.x data file; Packrat 4.x | PR2 | Presentation; Aldus Persuasion 2.x |
| PR2 | Printer driver; dBASE IV | PR3 | PostScript printer driver; dBASE IV |
| PR3 | Presentation; Aldus Persuasion 3.x | PRD | Printer driver; |
| PRE | Presentation; Freelance Graphics | PRE | Settings; Programmer's WorkBench - MS C/C++ |
| PRE | Stork graphic file; | PRF | CheckIt Pro v1.0 data file; CheckIt Pro 1.0 |
| PRF | Pixel Run Format graphics file; Improces - Fastgraph | PRF | Printer driver; dBASE IV |
| PRF | Profiler output; | PRG | Program; Atari |
| PRG | Program source; dBASE IV - FoxPro - Clipper 5 - dBFast | PRG | Program source code (e.g. Clipper language); CA Clipper |
| PRI | Printer definitions; LogoScript | PRJ | Borland C++ IDE project file; BC.EXE - BCW.EXE |
| PRM | Parameters; | PRN | Printer driver; Signature |
| PRN | Text file; Lotus 1-2-3 - Symphony | PRN | Usually printer output file; |
| PRO | Graphics profile file; DOS | PRO | Proboard conf. file; Proboard |
| PRO | "Profile; used by many programs to store configuration data"; | PRO | Prolog language source; |
| PRO | PROLOG source code file; | PROJ | Project File (Interface Builder); NeXT |
| PRR | The Perfect Resume data file; Perfect Resume | PRS | Norton Viewer DLL file; |
| PRS | Presentation; Harvard Graphics Win | PRS | Printer Resource eg. fonts; WordPerfect for Win |
| PRS | Procedure; dBASE IV | PRT | P-CAD component; P-CAD |
| PRT | Printer driver; Dr.Halo | PRX | Compiled program; FoxPro |
| PS | Document in PostScript format; adobe | PSA | Archive (Pretty Simple Archive); PSA.OUT (GNU) |
| PSD | Periscope Debbuger Def file; Periscope | PSD | Photoshop bitmap file; Photoshop |
| PSE | see PSEG; | PSEG | Bitmap graphics; IBM printer Page SEgment |
| PSF | Outline PostScript printer font; ChiWriter | PSM | Music format (Protracker Studio Module); Protracker - MASI |
| PSM | Symbol table of IDE; Turbo Pascal | PSN | Presentation file for Sound Script; Win |
| PSP | Procedure; Prodea Synergy | PSQ | Premiere Sequence; Premiere |
| PST | Postbox file; BMail | PSW | File w/ passwords for any program/game; many |
| PT | Game crack; Player Tools | PT | Kodak Precition Color Management System; |
| PT3 | Device driver; Harvard Graphics 3.0 | PT3 | Template; PageMaker 3 |
| PT4 | Template; PageMaker 4 | PT5 | Aldus PageMaker 5.0 publication template; Aldus PageMaker |
| PTB | Script; PubTech BatchWorks | PTL | Premiere Title; Premiere |
| PTM | Macro; PubTech BatchWorks | PTM | Music format; |
| PTM | Page Magic 2.0 template; Page Magic 2.0 | PTR | OS/2 cursor image file; ICONEDIT.EXE |
| PTR | QWK reader pointer file; QMail | PTU | Performer Terrain Utilities; |
| PUB | Page template; MS Publisher | PUB | Public key ring file; Pretty Good Privacy RSA System |
| PUB | Publication; Ventura Publisher - 1st Publisher | PUT | Archive; PUT |
| PUT | Graphics format; WScan | PVD | Script; Instalit |
| PVL | Library; Instalit | PVT | Local Fidonet pointlist; FTN software |
| PW | Text file; Professional Write | PWL | Password List; |
| PWP | Text document; Professional WritePlus | PX | Paradox 3.0 file; Paradox 3.0 |
| PXP | 3DS Process file; 3D Studio | PXR | Pixiar Picio; AltamiraComposer |
| PY | PYTHON script file; | PYC | Compiled PYTHON script file; |
| PZD | Default settings; Pizazz Plus | PZI | Graphics format; PZP |
| PZO | Overlay file; Pizazz Plus | PZP | Palette; Pizazz Plus |
| PZS | Settings; Pizazz Plus | PZT | Transfer file; Pizazz Plus |
| PZX | Swap file; Pizazz Plus | ||
| Q0 | Q0 graphic file; | QAG | Quick Access Group; Norton Desktop |
| QAP | Application; Omnis Quartz | QBE | Saved query (Query By Example); dBASE IV - Quattro Pro |
| QBO | Compiled query; dBASE IV | QBW | Spreadsheet; QuickBooks for Windows |
| QDn | Data file - segment n; Omnis Quartz | QDK | Backup of startup files created by Optimize; QEMM |
| QDV | Graphics file; Steve Blackstock Giffer | QEF | Query file; Q+E for MS Excel |
| QFX | Fax; QuickLink | QLB | Quick library; MS C/C++ |
| QLC | ATM Type 1 fonts script; Adobe Type Manager | QLP | Printer driver; QuickLink |
| QM4 | Options or services file; QMail 4.x Mail Door | QPR | Generated query program; FoxPro |
| QPR | Print queue device driver; OS/2 | QPX | Compiled executable QBE query file; FoxPro |
| QRS | Equation Editor support file; WordPerfect for Win | QRT | Graphics format (QRT ray tracing); |
| QRY | Query; dBASE IV | QT | QuickTime movie (animation); |
| QTVR | QuickTime VR Movie; | QWK | QWK reader message file; |
| QXD | Document; QuarkXPress | QXL | Element library; QuarkXPress |
| R | RATFOR (FORTRAN preprosessor) file; | Rnn | Multi volume RAR archive; RAR |
| R2D | Reflex 2 datafile; Reflex 2 | R8 | Raw graphics file (one byte per pixel) plane one; PicLab |
| R8P | PCL 4 bitmap font file; Intellifont | RA | Remote Access conf. files; RA |
| RAD | 2-op FM music; Reality AdLib Tracker | RAD | Radience; |
| RAL | Remote Access Language file; Remote Access | RAM | Ramfile; RealAudio |
| RAR | Archive; RAR | RAS | Graphics format; SUN Raster |
| RAT | Datafile (RATS); | RAW | HSI raw graphic file; |
| RAW | PCM Signed Raw Sound File; | RAW | QRT graphic file; |
| RAY | Rayshade; | RBF | Datafile; Rbase |
| RC | Configuration file; emacs | RC | Resource Compiler script file; MS C/C++ - Borland C++ |
| RC | Resource Script; Resource Writer | RC | UUPC configuration files; UUPC |
| RC | Windows resource compiler script; RC.EXE -Resource WorkShop - OS/2 | RCG | Netscape newsgroup file (netsc.rcg); |
| RDF | Compiled UIC source code; Geoworks UI Compiler | RDI | Device-independent bitmap file (RIFF RDIB format); |
| RDX | Datafile; Reflex | REC | Archivation protocol; ARCSERVE |
| REC | Datafile; EpiInfo | REC | Record file; Sprint |
| REC | Windows Recorder Macro File; WinRecorder | RED | Path info; Clarion Modula-2 |
| RED | REDuced nodelist file; T-Mail nodelist Compiler | REF | Cross-reference; |
| REG | OLE Registration file; Windows 3.x | REG | Registration information or key; |
| REM | Remarks; | REM | Remarks definition; Sourcer |
| REP | QWK reader reply file; | REP | Report; Report Designer - CodeReporter - DataBoss |
| REP | Report file used by many applications; | REQ | File request; FTN Software |
| RES | Compiled resource; MS C/C++ - Borland C++ | RES | DBASE resources; dBASE IV |
| RES | Windows compiled resource package; Win | REV | Revision file; Geoworks |
| REX | PharLab executable file (old format); PharLab | REX | Report definition; Oracle |
| REX | Rexx language source file; Rexx | REZ | Resource file; |
| RF | Sun raster graphics file; | RFT | DCA/RFT Revisable Format Text file; IBM DisplayWrite 4.0-5.1 |
| RGB | SGI RGB image file (RAW); SDSC Image Tool | RGX | Symbol tables etc. info; ReaGeniX code generator |
| RH | Resource header file; Borland C++ 4.5 | RH | Windows resource file header; RC.EXE |
| RI | Data; Lotus 1-2-3 | RIB | Graphics (Renderman Interface Bytestream); 3D Reality |
| RIC | Fax; Ricoh | RIF | RIFF bitmap graphics (Resource Interchange File Format); Fractal Design Painter |
| RIP | TeleGrafix Remote Imaging Protocol; Maximus 3.0 | RIX | Graphics (ColoRIX Image File); ColoRIX |
| RL4 | Bitmap graphics; | RL8 | Bitmap graphics; |
| RLA | Wavefront raster image file; SDSC Image Tool | RLB | Data hgw.rlb; Harvard Graphics Win |
| RLC | Graphics 1bit/pixel scanner output; | RLD | Norton Commander 5.0 temp file; NC 5.0 |
| RLE | Utah Run Length Encoded rasterfile graphic file; SDSC Image Tool | RLZ | REALIZER source code file; CA-Realizer |
| RMI | Windows alternate synthesized sound format; RIFF RMID format | RMK | Make file; CA Clipper - RMAKE |
| RN | XPL program for Nota Bene users; | RND | Rendering Slide; AutoCAD AutoShade |
| RNO | Runoff file; VAX | ROL | FM music Adlib Music File; Roland |
| ROM | Read Only Memory image in emulators, AONs, etc.; | RPB | Data report file used by CP Backup; CP Backup |
| RPD | Database; RapidFile | RPF | AutoCAD pattern; ACAD |
| RPL | Text document; Replica | RPT | Report file used by many applications; |
| RS | Data file; Amiga Resource - Reassembler | RS_ | Resource fork of a Macintosh file; Mac-ette |
| RSC | Resource file; ViewMax - many | RSL | Resource Library used by PC Tools for Windows; PC Tools - Win |
| RSP | Responce File; OS/2 | RSP | Responce file (text file containing input expected by eg. LINK); |
| RTF | Rich Text Format text file (help file script); many - MS Word | RTFD | RTF-Packet; NeXT |
| RTL | HP RTL graphic file; | RTL | Run-Time library; Norton Utilities |
| RTL | Text file; | RTP | RTPatch software update package data file; Pocket soft patch |
| RTS | Realizer executable file; | RTS | Runtime library file; CA-Realizer |
| RUL | Echo-conference rules; | RUN | PC Tools for Windows batch file; PC Tools |
| RUS | Russian text; | RV | Mobile pricelist data file; Mobile |
| RVW | Review; | RWS | Borland Resource Workshop symbol file; Resource Workshop |
| RWS | Resource Workshop data file; Borland C++ | RWX | Criterion RenderWare; |
| RWX | MEME Shape File; | RWX | Script; RenderWare |
| RXD | Reflex 1 datafile; Reflex 1 | ||
| S | ASSEMBLY source code file; unix | S | Multi Edit macro file source; Multi Edit |
| S$$ | Temporary sort file; Sprint | S1K | S1000 Simnet Format; |
| S3I | Digiplayer/ST3 Sample File; Digiplayer - ST3 | S3M | Music (16 channels); Scream Tracker 3.0 - DMP |
| SA? | Packed mail; FTN software | SAF | see SAIF; |
| SAIF | Spatial Archive Interchange Format; | SAL | Datafile; SORITEC |
| SAM | Ami Pro data file; Ami Pro | SAM | Text file; Samna - Lotus Ami/Ami Pro |
| SAR | Archive; SAR | SAT | ACIS; |
| SAV | Backup file (saved file); | SAV | Configuration; |
| SAV | Saved game situation; | SB | Audio file (signed byte); |
| SB | Raw Signed Byte (8bit) data; AWAVE | SB | Raw Signed PCM Byte 8bit data; AWAVE |
| SBD | Storyboard; Storyboard Editor | SBI | Sound Blaster Instrument file (Creative Labs); |
| SBK | Emu SoundFont Bank (AWE32 Bank); Convert (c) Villena | SBL | Stony Brook Pascal library; SB Pascal |
| SBP | DML program; Superbase 4 | SBR | Support file; Source Browser |
| SBT | Notes related to record; Suberbase 4 Windows | SC | Display driver; Framework II |
| SC | PAL script; Paradox | SC | Script; Borland Paradox |
| SC3 | Renamed dBASE III screen mask file; dBASE IV | SC3 | Screen device driver; Harvard Graphics 3.0 |
| SCA | Datafile; SCA | SCC | Text file; |
| SCD | SCODOL film recorder (Scan Conversion Object Description Language); SCODOL | SCF | Multimedia show; ScoreMaker |
| SCF | Spelling checker configuration file; Symphony | SCH | Project schedule; Schedule Publisher |
| SCH | Scheme; P CAD - Orcad | SCI | Fax; SciFax |
| SCI | System Configuration Information; | SCM | Scheme source code file; |
| SCN | SCeNe RTrace; | SCN | Screen file; Kermit |
| SCO | High score; | SCO | High score; |
| SCP | Script; BITCOM | SCR | Any other screen system; |
| SCR | DEBUG source code file; DOS Debug | SCR | Forth screen (source) file; Forth |
| SCR | Screen - screen snapshot; dBASE IV - Procomm Plus | SCR | Screen font; LogoScript |
| SCR | Screen saver; Windows 3.x | SCR | Screen snapshop; |
| SCR | Script file source; TeleMate - Kermit - 1st Reader | SCT | Additional (FPT) screen description file; FoxPro |
| SCX | Chart; Stanford Chart | SCX | Graphics format; ColoRIX |
| SCX | Main (DBF) screen description file; FoxPro | SCY | Security file; ReaGeniX |
| SD | Sound Designer I audio file; AWAVE | SDA | Fidonet's Software Distribution Network file archive description; |
| SDF | Source definition file; Sourcer | SDF | System Data Format file (fixed lenght ASCII text); |
| SDI | Software Distribution Network Info file; | SDK | Roland S-550/S-50/W-30 Disk Image; |
| SDL | Alias Wavefront Scene Description Language; | SDML | Spacial Data Modeling Language; |
| SDN | Software Distribution Network compressd file archive; pak251.exe | SDR | SmartDraw File; SmartDraw Pro |
| SDS | MIDI Sample DUMP Standard File; | SDTS | Spatial Data Transfer Standard; |
| SDW | Ami Draw Symbol File; | SDX | Sample DUMP Exchange File; |
| SEA | Self-Extracting compressed Macintosh file Archive; | SEC | ----- compressed file; |
| SEC | Diskreet encrypted file; Diskreet | SEC | Secret key ring file; Pretty Good Privacy RSA System |
| SEC | Secured animation file; Disney Animation Studio | SEP | Printer separator page; |
| SEQ | Atari animation file; | SEQ | Sequential Instruction File; Bubble Chamber |
| SES | Session info; Clarion Modula-2 | SET | Configuration file; 1st Reader |
| SET | Driver sets created by Install; Symphony | SET | Extension used by Norton Backup and CPS Backup for setup info; Norton Backup - CPS Backup |
| SET | Setup options file; | SF | IRCAM Sound File; CSound package - MixView sound sample editor |
| SF | WPS attribute storage (OS/2 WorkPlace Shell) wp_root.sf; OS/2 WorkPlace Shell | SF2 | Emu SoundFont Bank v2.0 file; AWAVE |
| SFB | HP Soft font (obsolete under Windows); | SFD | SoundStage Data file; AWAVE |
| SFF | Scene File Format; | SFI | Graphics; SIS Framegrabber |
| SFI | Printer font (HP LaserJet landscape); Ventura Publisher | SFL | PCL 4 bitmap font (landscape); landscape - Intellifont -Ventura Publisher |
| SFN | Font; SPX | SFO | Bitstream font file - fontware format; |
| SFP | PCL 4 bitmap font; portrait - Intellifont - Ventura Publisher | SFR | Sonic Foundry Sample Resource; AWAVE |
| SFS | PCL 5 scalable font file; Intellifont | SFT | Screen font; ChiWriter |
| SFX | SFX (self-extracting archives) script; RAR | SG1 | Graphics; Stanford Graphics |
| SGF | Document with graphics; Starwriter | SGI | Graphics file; IRIS - Silicon Graphics |
| SGP | Statistics; STATGRAPHICS Plus | SGT | Save/get keyboard macro; Signature |
| SH | ASCII archive; SHAR | SH | Unix shell script; |
| SH3 | Presentation; Harvard Graphics 3.0 | SHAR | Archive; UNSHAR (Unix) |
| SHB | Background; CorelShow | SHG | Segmented Hyper-Graphic; |
| SHK | Apple II archive; SHRINKIT | SHM | Shell macro; WordPerfect Library |
| SHP | Shape file and source file for text fonts; AutoCAD | SHR | see SHAR; |
| SHT | HTML format for WWW; NetScape | SHW | Presentation; Harvard Graphics 2.0 - CorelShow |
| SHW | Slide show; WordPerfect Presentations | SHX | Shape entities; AutoCAD |
| SIF | Setup Installation Files info; Windows NT Setup | SIG | Current program settings; Signature |
| SIG | Signature file; ThunderByte AntiVirus - PopMail | SIK | Backup file (Sicherungskopie); MS Word |
| SIT | Archive (Macintosh); STUFFIT | SKY | SYLK Spreadsheet file (used by Multiplan); |
| SL | S-Lang source code file; | SLB | P-CAD library (symbols); P-CAD |
| SLB | Slide library; AutoCAD | SLC | SALT (script from Telix) compiled code; Telix |
| SLD | Slide; AutoCAD | SLI | Slide; MAGICorp Slide Service |
| SLK | MS Excel import format; MS Excel | SLK | SYLK Symbolic Link format data file; MultiPlan |
| SLL | Sound data file; | SLT | SALT Script Application Language for Telix script source; Telix |
| SLV | Solution for any game; many | SM | Maillist; SoftSpoken Mailer |
| SM | Script; ScriptMaker | SM | SMALLTALK source code file; |
| SM | Text file; Samna Word | SMF | Fax; SMARTFAX |
| SMM | Ami Pro Macro File; Ami Pro | SMN | Font (ParaGraph's WorkScript format); |
| SMP | Sample (sound file); | SMP | Samplevision File; Samplevision |
| SMT | Text file; Smart Ware II | SN | Compressed song file; Sound Club editor |
| SND | Digitized sound file; Macintosh/ATARI/PC | SND | Power Chords drum sound file; Power Chord |
| SNG | Song (midi sound); Midisoft Studio - Prism | SNO | SNOBOL4 source code file; |
| SNP | Book-shelf for .BOO; READIBM | SNP | Output video format from Computer Eyes equipment; |
| SOL | Solution eg. game walkthroughs; | SOM | Network serial numbers; Quattro Pro |
| SOM | Sort information; Paradox | SON | Song; SBStudio II |
| SOU | SBStudio II Sound File; SBStudio II | SOU | Sound data (sound tool); |
| SP | Archive (unix); SPLINT | SPC | Program; MS Multiplan |
| SPC | Temporary file; WordPerfect for Win | SPD | Scalable font; Speedo - Harvard Graphics 3.0 |
| SPF | Slide presentation file; EnerGraphics | SPG | Glossary; Sprint |
| SPI | Graphics (Siemens and Philips scanner); | SPIFF | Still Picture Interchange File Format; |
| SPL | Archive; SPLINT | SPL | Customized printer driver; Sprint |
| SPL | Personal spell dictionary; Signature | SPL | Print spooling file; Windows 3.x |
| SPL | Sample; | SPM | Data wp{wp}.spm; WordPerfect |
| SPP | Printer file; Sprint | SPR | Document letter; Sprint |
| SPR | Generated executable screen file; FoxPro | SPR | Sprite; |
| SPR | Story Board sprites; | SPS | Screen driver; Sprint |
| SPS | SPSSx source code file; VAX/VMS | SPT | Data support file (MITAC disk/system management utility pack); MITAC disk/system management utility pack |
| SPT | SPITBOL source code file; | SPW | Worksheet; SigmaPlot |
| SPX | Compiled executable screen file; FoxPro | SQD | Squish message base; Squish |
| SQI | Squish message base index; Squish | SQL | SQL language code; Any SQL database |
| SQL | Squish message base lastread pointers; Squish | SQZ | Archive; SQUEEZE |
| SQZ | FOXPRO Squeeze file; FOXPRO | SRC | Multi-edit source; Multi-Edit |
| SRC | Source; DataFlex | SRF | Sun Raster File graphics file; |
| SRP | Script; QuickLink | SS | Bitmap graphics; Splash |
| SS | Screen saver; DN | SSD | Datafile; SAS/PC |
| SSP | Datafile; SAS Transport | SST | AVHRR graphic file; |
| ST | Instrument library; Scream Tracker | ST | SMALLTALK source code file; Little Smalltalk |
| ST | Stamp; NeoPaint | STA | Data file; Statistica |
| STA | Saved state; Reflection 4.0 | STA | Stack; Spinmaker Plus |
| STB | Stub library; Genus GX Kernel | STD | Standard (something..); LogoScript |
| STD | State Transition Diagram graphic file; Prosa | STF | Archive; SHRINKTOFIT |
| STL | Stereolithography Interface Format; | STM | Music format (4 channels) (Scream Tracker Module); ST - DMP |
| STM | State Transition Diagram model file; Prosa | STO | Pascal stub OBJ file; Genus GX Kernel |
| STR | Gate3 table structure file; | STR | Structure list object file; dBASE Application Generator |
| STS | Music format (Scream Tracker Song); ST 2.0-2.3 | STS | Project status info; MS C/C++ |
| STW | Data file; SmartTerm for Windows | STX | Electronic book; SmarText |
| STX | Music format; | STX | Tax form; CA-Simply Tax |
| STY | "Ami Pro Template (Style); used by other programs for `styles`"; Ami Pro | STY | Style library or sheet; many |
| SU? | Packed mail; FTN software | SUI | SUIT library; Simple User Interface Toolkit |
| SUM | Summary; | SUN | Sun rasterfile graphics file; |
| SUP | Supplementary dictionary; WordPerfect for Win | SVD | Autosave file for document; MS Word |
| SVG | Autosave file for glossary; MS Word | SVQ | Music format; |
| SVS | Autosave file for style sheet; MS Word | SVW | Super Video Windows; Conversion Artist |
| SVX | Interchange, 8SVX/16SV; AWAVE | SW | Raw Signed Word (16bit) data; AWAVE |
| SWG | SWAG Pascal Snippets file; SWAG | SWP | Document backup; Sprint |
| SWP | Swap file; | SXP | 3DS Process file; 3D Studio |
| SY1 | SmartPix symbol library; Ami Pro | SY3 | Harvard Graphics format; |
| SY3 | Symbol file; Harvard Graphics 3.0 | SYD | Backup of startup files created by QEMM (?) autoexec.syd; |
| SYD | Sysedit backup file; Sysedit | SYM | Compiler symbolic information file; |
| SYM | P-CAD component (symbols); P-CAD | SYM | Precompiled headers; Borland C++ |
| SYM | Program symbol table; Power C - MS ILink incremental linker | SYM | Symbol file; Harvard Graphics 2.0 - MS Windows SDK |
| SYN | SDSC Synu image file; SDSC Image Tool | SYN | Synonym file; MS Word 5 |
| SYS | Datafile; SYGRAPH - SYSTAT - SPSS/PC | SYS | System file - device driver or hardware configuration info; DOS |
| SYW | Graphics file (symbol); Harvard Graphics Win | SYW | Yamaha SY-85/SY-99 Wave File; Convert (c) Villena |
| T | Archive without compression (tape); tar | T | TADS source; |
| T | Tester symbol table; ReaGeniX code generator | T?H | Turbo Help file (Pascal, C, Assembler, ...); Borland Thelp |
| T44 | Temporary file for Sort or Index; dBASE IV | T64 | Program; C64S emulator |
| TAG | Query tag name; DataFlex | TAH | Help file for Turbo Assembler; Borland C++ |
| TAL | Adobe Type Align; Adobe | TAL | Text illustration; TypeAlign |
| TAP | Tape file; ZX Spectrum emulator by g.a.lunter | TAR | Archive; TAR |
| TAZ | Archive; WinZipNT - TAR - COMPRESS | TB1 | Font file; Borland Turbo C |
| TB2 | Font file; Borland Turbo C | TBF | Fax; Imavox TurboFax |
| TBK | FOXPRO template backup file; FOXPRO | TBK | Memo backup; dBASE IV - FoxPro |
| TBK | Toolbook; Asymetrix ToolBook | TBL | Aldus TableEditor file; TableEditor |
| TBL | Gate3 table file; | TBL | Graphics file (native format); PageMaker TableEditor |
| TBL | "Short for Table; used by many programs"; | TBL | Table of values; OS/2 |
| TBR | Norton Desktop custom toolbar; NDW | TBS | Text elements ?? (Textbausteine); MS Word |
| TBX | Table; Project Scheduler 4 | TC | Configuration; Turbo C - Borland C++ |
| TCH | Help file; Turbo C - Borland C++ | TCL | Tool Command Language source code; Swat |
| TCW | Drawing; TurboCAD for Windows | TD | Config from Turbo Debugger; Turbo Debugger |
| TD0 | Compressed diskette in a file; Teledisk | TD2 | Configuration file; Turbo Debugger for Win32 |
| TDB | Database; TACT | TDDD | Imagine Object File Format; |
| TDF | Speedo font file; | TDF | Typeface definition file; Speedo |
| TDH | Help file for Turbo Debugger; Borland C++ | TDK | Keystroke recording file; Turbo Debugger |
| TDR | Contens of Arvid tape; | TDS | Symbol table; Turbo Debugger |
| TDW | Configuration file; Turbo Debugger for Windows | TEF | Fax; Relisys TEFAX |
| TEL | Host file; Telnet | TEM | Input template; IconAuthor |
| TEM | Turbo Editor Macro Language script; Borland C++ | TET | Tetris results; DN |
| TEX | Datasheet; Idealist | TEX | TeX text file; Scientific Word - TeX |
| TEXT | Text file; | TF | Configuration; Turbo Profiler |
| TFA | Area file; Turbo Profiler | TFC | Catalogue file; Tobi's Floppy Cataloguer |
| TFH | Help file for Turbo Profiler; Borland C++ | TFM | Tagged font metric file; Intellifont |
| TFM | TeX Font Metric file; TeX | TFS | Statistical information; Turbo Profiler |
| TG1 | Project file; On Target | TGA | Targa True Color bitmapped format; |
| TGZ | Archive; WinZipNT - TAR - GNUzip | TH? | Packed mail; FTN software |
| THE | Windows'95 Desktop Theme; Microsoft Plus | THM | Picture Publisher or PhotoMagic Thumbnail; |
| THS | Thesaurus dictionary; WordPerfect for Win | TIC | FTN special file with assotiated file description; ALLFIX |
| TIF | see TIFF; | TIFF | TIFF (tagged image format file) bitmapped file; Alchemy - PhotoStyler -PageMaker - CorelDRAW |
| TIL | Fuzzy logic knowledge base; Togai InfraLogic Fuzzy-C Compiler | TIS | Tile set; MahJongg 3.0 |
| TJL | Backup file; VAXTPU editor | TLB | Interoperaility Type Library; Win95 |
| TLB | Reference table; Bubble Chamber | TLB | Text library; VAX |
| TLB | Type library; Visual C++ | TLC | Compiled Tool Command Language source code; Swat |
| TLD | Disk Image; Teledisk | TLP | Project; TimeLine |
| TMF | Tagged Font Metric file; WordPerfect for Win | TMO | ZTG global optimizer default output file; Zortech C++ |
| TMP | Temporary file; | TMS | TeleMate compiled script; TeleMate |
| TOC | Table Of Contents text file (ASCII); | TOK | Borland C++ 4.x reserved word list; BCW.EXE |
| TOS | Self-extracting file archive (Atari ST); | TP | Session-state file; Turbo Profiler |
| TP | Turbo Pascal cfg file; Turbo Pascal | TP3 | Template; Harvard Graphics 3.0 |
| TPB | Downloadable PCL Soft font file backup; HiJaak | TPF | Downloadable PCL Soft font file; HiJaak |
| TPH | Help file; Turbo Pascal | TPL | Resident units library; Turbo Pascal |
| TPL | Template; Harvard Graphics 2.0 | TPL | Template file; GoldEd -ITrack |
| TPP | Protected Mode Units; Borland Pascal 7.0 | TPU | Borland Pascal DOS Mode Library; Borland Pascal |
| TPU | Command file (VAXTPU editor); VAXTPU editor | TPW | Borland Pascal Windows Library; Borland Pascal |
| TPW | Session-state file; Turbo Profiler for Windows | TPZ | Archive; TAR - GNUzip |
| TR | Man page input suitable for troff -man; cawf2.zip | TR | Session-state settings; Turbo Debugger for DOS |
| TR2 | Session-state settings; Turbo Debugger for Win32 | TRC | Debug support file; Power CTrace |
| TRE | Directory tree file; PC-Tools | TRIF | Tiled Raster Interchange Format; |
| TRK | Track (i.e. video sequence), used by many games; | TRM | Terminal settings; Windows 3.x |
| TRN | Translation support file; Quattro - Clarion | TRS | Executable file; Micrografx |
| TRU | True Basic source file; | TRW | Session-state settings; Turbo Debugger for Windows |
| TSK | Microsoft Multimedia Task Application; Win95 | TSM | Turbo Assembler Manual; TASM for OS/2 |
| TST | Printer test file; WordPerfect for Win | TSV | Tab Separated Values; |
| TTF | TrueType Font file; | TU? | Packed mail; FTN software |
| TUD | The Ultimate Draw file; The Ultimate Draw | TUT | Tutorial; |
| TV | Table view settings; Paradox | TVn | Overflow file above insert point in Doc n; WordPerfect for Win |
| TVF | Table view settings; dBASE | TXF | Archive; TAR and FREEZE |
| TXI | Support file; TeX | TXT | Common name for ASCII text file; |
| TXW | Yamaha TX-16W Wave File; Convert (c) Villena | TYM | Time Stamp (PageMaker 4); PageMaker 4 |
| TZ | Archive; TAR - COMPRESS | TZB | Archive; TAR - COMPRESS - BTOA |
| U8 | Sample; | UB | Raw Unsigned Byte (8bit) data; AWAVE |
| UC2 | Archive; UC II | UCN | New archive; UC II |
| UDF | Filter; Photostyler | UDW | Raw Unsigned DWord data; AWAVE |
| UE2 | Encrypted archive; UC II | UHS | Universal Hint System (binary file); |
| UI | Espire source code file; Geoworks UI Compiler | UI | User interface; Sprint |
| UIF | Long prompts for windows; WordPerfect for Win | UIH | Espire header file; Geoworks UI Compiler |
| UL | ULAW audio file; | ULD | Information about uploaded files; Procomm Plus |
| ULT | Music; UltraTracker | UMB | Backup file; MemMaker |
| UNI | Datafile; Forecast Pro | UNI | Music format; UNIMOD - MIKMOD |
| UNX | Text file containing UNIX specific info; | UPD | Update data; dBASE |
| UPD | Update info (new features in program); | UPO | Compiled update data; dBASE |
| URT | Utah Raster Toolkit; | USE | Log file; |
| USP | Printer font with USASCII extended character set; PageMaker | USR | User database file; Procomm Plus - Turbo C++ tour |
| UU | Encoded file (ASCII); UUENCODE/UUDECODE | UUE | Encoded file (ASCII); UUENCODE/UUDECODE |
| UW | Raw Unsigned Word 16bit data; AWAVE | UWF | UltraTracker WaveSample; UltraTracker |
| V | Consistency check support file; ReaGeniX code generator | V | Main input file for an image; Vivid 2.0 |
| V8 | Covox 8bit file; AWAVE | VAL | Validity checks and referential integrity; Paradox for Windows |
| VAL | Values list object file; dBASE Application Generator | VAN | Animation; VistaPro |
| VAP | Value Added Process; NetWare 2.xx | VAR | Variable file; IconAuthor |
| VBR | Visual Basic Custom Control file; Visual Basic | VBX | Visual Basic eXtension; Visual Basic |
| VBZ | Visual Basic Setup Wizard Template; Setup Wizard | VC | Include file with color definitions; Vivid 2.0 |
| VC | Spreadsheet; VisiCalc | VCA | Visual Clip Art; |
| VCR | VCR drivers for Arvid; | VCW | Visual workbench information; MS Visual C++ |
| VCX | Spreatsheet; VisiCalc Advanced | VDA | Bitmap graphics; |
| VDO | Story Board video image; Story Board | VDR | Drawing; ComputerEasy Draw |
| VEW | GroupWise for Windows; Win | VEW | View file; Clipper 5 - Lotus Approach |
| VFA | FontLab Database file; FontLab | VFM | Ventura Font Metrics file; |
| VFM | Voting Form; Voter | VFN | Voting Form for Customers; Voter |
| VGA | VGA display driver; | VGA | VGA display font; |
| VGD | VGA display driver; Generic CADD | VGR | Graphics file; Ventura Publisher |
| VI | Graphics file; Jovian Logic VI | VI | Watcom editor script; VI.EXE |
| VIC | see VICAR; | VICAR | Graphics (Video Image Communication and Retrieval); |
| VID | Bitmap graphics (YUV12C M-Motion Frame Buffer); | VID | Graphics format; Word& Deed |
| VID | MS-DOS Shell Monitor file; MS-DOS 5 | VID | Screen device driver; Word |
| VIF | see VIFF; | VIFF | Khoros Visualization Image File Format; SDSC Image Tool |
| VIK | Graphics format (VIKING); | VIR | Virus or infected file; |
| VIS | VIS graphics file; | VLM | Virtual Loadable Module; Netware |
| VM | Virtual Memory file; Geoworks | VMC | Virtual memory configuration; DOS/4GW PM 32X DOS Extender |
| VMF | Font characteristics; Ventura Publisher | VMS | Text file containing VMS specific info; |
| VO | Include file with object definition; Vivid 2.0 | VOC | Sound format (Creative Lab's Sound File); PlayVoc |
| VOF | Object folder; VZ Programmer | VOX | Dialogic adpcm file; AWAVE, CoolEdit |
| VP | 3DS Video posting; 3D Studio | VPF | Vector Product Format; |
| VPG | Graphics file; VPGraphics | VPH | Virtual Pascal Help; VP/OS2 |
| VPI | Virtual Pascal Unit; VP/OS2 | VRM | Overlay file; QuattroPro |
| VRM | Visual rexx source; WATCOM VREXX | VRML | Virtual Reality Modeling Language; NetScape |
| VRP | Project; WATCOM VX№Rexx | VRS | Video Resource eg. video device driver; WordPerfect |
| VS | Include file with surface definition; Vivid 2.0 | VSD | Diagram; Shapeware Visio |
| VSD | Visio drawing; Visio | VSM | Simulation model; VisSim |
| VSP | Sprite; SPX | VSS | SmartShapes file; Shapeware Visio |
| VSS | Visio Template; Visio | VST | Truevision Vista graphics file; |
| VST | Visio Template; Visio | VUE | Animation; 3D Studio |
| VUE | View; dBASE IV - FoxPro | VW | Text file; Volkswriter |
| VWR | File viewer file; PC Tools | VXD | Windows 3.x virtual device driver; Windows 3.x |
| W | Word chart file; APPLAUSE | W01 | Yamaha SY-series wave files; AWAVE |
| W01 | Yamaha TX16W wave file; AWAVE | W30 | Printer font; AST TurboLaser - Ventura Publisher |
| W31 | Startup file; Windows 3.1 | W40 | Something for Windows95 (e.g. config.w40); Win95 |
| W44 | Temporary file for Sort or Index; dBASE | W95 | Something for Windows95; Win95 |
| WAD | War Allocation Daemon; Doom - Doom2 | WAS | ProComm Script File (source code); ProComm |
| WAV | Sound format (Microsoft Windows RIFF WAVE); Media Player | WAX | ProComm compiled script; ProComm |
| WB1 | Notebook; Quattro Pro | WB2 | Spreadsheet; Quattro Pro |
| WBF | MS Windows Batch File; Catch | WBK | Document/workbook; WordPerfect for Win |
| WBT | Norton Desktop; Norton Desktop | WBT | Wilsonware Batch file; Winbatch |
| WCD | Macro token list; WordPerfect for Win | WCH | WordPerfect Macro Facility; WP |
| WCM | Data transmission file; MS Works | WCM | Macro; WordPerfect for Win |
| WCP | Product information description; WordPerfect for Win | WD | InfoSelect Data file; |
| WDB | Database; MS Works | WE? | Packed mail; FTN software |
| WEB | WEB source code file; | WebOOGL | Web Object Oriented Graphics Library; |
| WFB | Turtle Beach WaveFront Bank; AWAVE | WFD | Turtle Beach WaveFront Drum; AWAVE |
| WFM | Form object; dBASE Form Designer | WFN | Font; CorelDRAW |
| WFP | Turtle Beach WaveFront Prog.; AWAVE | WFX | Data file; Winfax |
| WG1 | Worksheet; Lotus 1-2-3/G | WG2 | Worksheet; Lotus 1-2-3 for OS/2 |
| WID | Width table; Ventura Publisher | WIN | Window file; FoxPro - dBASE |
| WIZ | Page wizard; MS Publisher | WK1 | Spreadsheet; Lotus 1-2-3 version 2.x - Symphony 1.1+ |
| WK3 | Spreadsheet; Lotus 1-2-3 version 3.x | WK4 | Spreadsheet; Lotus 1-2-3 version 3.4 |
| WKB | Document; WordPerfect for Win | WKE | Spreadsheet; Lotus 1-2-3 educational version |
| WKI | Spreadsheet format; Lotus 123 2x | WKQ | Spreadsheet; Quattro |
| WKS | Spreadsheet; Lotus 1-2-3 version 1A - Symphony 1.0 - MS Works | WKS | Workspace; Xlisp |
| WKZ | Spreadsheet format; Dos Navigator | WLK | Graphics; Virtus Walkthrough |
| WLK | Walk Through for any game; many | WMC | Backup of startup files by Windows MathCad autoexec.wmc; MathCad |
| WMC | Macro file; WordPerfect for Win | WMC | Text file; WordMARC |
| WMF | Windows MetaFile vector graphics; | WMP | Graphics (Windows Magic Icon Palette); |
| WN | Text; NeXT WriteNow | WNF | Corel Draw Font File; CorelDraw |
| WOA | Swap file; Windows 3.x | WOC | Organization; Windows OrgChart |
| WOW | Music (8 channels); Grave Mod Player | WP | Word Perfect Format; WP |
| WP5 | Document; WordPerfect 5.x | WPD | Document; WordPerfect 6.0 - PFS:WindowWorks |
| WPD | Windows printer driver (uninstallable); Windows | WPF | Fax; WorldPort |
| WPF | Form; WordPerfect | WPF | Document - Word Perfect Format; WordPerfect 4.2-6.6 for DOS |
| WPG | WordPerfect Graphics vector graphics; DrawPerfect | WPJ | Watcom C/C++ IDE project; IDE.EXE |
| WPK | Keyboard Definition; WordPerfect 5.x-6.x for DOS | WPK | Macros; WordPerfect for Win |
| WPL | MediaRack Wave Playlist; MediaRack | WPM | Macros; WordPerfect |
| WPS | Text document; MS Works | WQ! | Compressed spreadsheet; Quattro Pro |
| WQ1 | Spreadsheet; Quattro Pro | WR1 | Spreatsheet; Symphony 1.1 - 1.2 - 2 |
| WRD | Template; Charisma | WRI | Write editor format; Write - WinWord |
| WRK | Spreadsheet; Symphony 1.0 | WRP | Archive; Amiga WARP |
| WRS | Windows Resource eg. printer driver; WordPerfect for Win | WS | APL Worksheet; |
| WS | Text file; WordStar 5.0-6.0 | WS2 | Text file; WordStar 2000 |
| WSD | Document; WordStar | WSP | Workspace; Fortran PowerStation |
| WSQ | Wavelet-packet Scalar Quantization Format; | WSRC | X-wais source; |
| WST | Text file; WordStar | WWB | Button bar for document window; WordPerfect for Win |
| WWK | Keyboard layout; WordPerfect for Win | WXP | Document; EXP for Windows |
| X | Archive; X1.EXE | X | AVS X image file; SDSC Image Tool |
| X | LEX source code file; | Xnn | Secondary indexes; Borland Paradox |
| X3D | x3d and xdart Formats; | XBM | X11 Bitmap graphics file; |
| XCK | Extended crack; | XCK | Extended crack file (usually text); |
| XCL | Xtree for Windows Script file; Xtree for Win | XDF | OS/2 extended disk format image; XDFCOPY.EXE |
| XDM | Directory Manipulator for 32-bit Protected Mode; Xenotech Research Labs | XFN | Printer font; Xerox 4045 - Ventura Publisher |
| XFR | Ventura Publisher Bitmap Editor Font file; | XFT | 24 pin printer font; ChiWriter |
| XI | Fast Tracker 2 instrument file; AWAVE | XI | Fastracker 2.0 Instrument File; Fastracker 2.0 |
| XLA | Add-in macro sheet; MS Excel | XLA | XLib Archive; xlibpas2.zip |
| XLB | Excel Toolbar; MS Excel | XLC | Excel Chart; MS Excel |
| XLD | Excel Dialog; MS Excel | XLK | Excel Archive; MS Excel |
| XLL | Excel Dynamic Link Library; MS Excel | XLM | Excel Macro File; MS Excel |
| XLS | Excel Spreadsheet; MS Excel | XLT | Excel Template; MS Excel |
| XLT | Translation table; Lotus 1-2-3 - Symphony - Procomm Plus | XLV | Excel Module; MS Excel |
| XLW | Excel Workbook; MS Excel | XM | Fast Tracker 2 extended module; AWAVE, Mod4Win, FastTracker, ImpulseTracker |
| XM | Music format; FastTracker - Cubic Player | XMI | Compressed eXtended MIdi music; |
| XNF | Standard Network File form; | XOF | RenderMorphics; |
| XP | eXtended Pattern; FastTracker 2.0 | XPM | X11 Pixel Map graphics file; |
| XQT | Executable file; Waffle | XQT | Macro sheet; SuperCalc |
| XRF | Cross-reference file; | XTB | External translation table; LogoScript |
| XTP | XTreeGold overlay; XTreeGold | XWD | X Window System window dump image graphics file; SDSC Image Tool |
| XWK | Keyboard mapping; Crosstalk | XWP | Session; Crosstalk |
| XWP | Text file; Xerox Writer | XX | Encoded file (ASCII); XXENCODE |
| XXE | Encoded file (ASCII); XXENCODE | XY | Text file; XY Write |
| XY3 | Text file; XYWrite III | XYW | Text file; XyWrite III |
| Y | Archive (Amiga); Yabba | Y | YACC grammar file; |
| Ynn | Secondary index; Borland Paradox | YAL | Data custom/nature.yal; Arts & Letters |
| YC | Archive; YACC (YAC.EXE) | YUV | Graphics format (YUV); |
| YZ | Archive; YAC | ||
| Z | Archive; WinZipNT - COMPRESS - PACK | Znn | ZIP archive; PKZIP/PKUNZIP |
| Z3 | Infocom game module; | Z80 | Snapshot; ZX Spectrum emulator by g.a.lunter |
| ZAD | ZFax digitized voice file; ZFax | ZDG | Compressed ZiffNet text document; Zview |
| ZER | Data file; ZERBERUS | ZGM | Graphics; Zenographics |
| ZIP | Archive; PKZIP/PKUNZIP | ZOM | Archive; Amiga ZOOM |
| ZOO | Archive; ZOO | ZVD | ZyXEL Voicefile; Z-Fax |
| ZZE | Encoded file; |
Podział edytuj
Ze względu na ogromną liczbę formatów plików, spis podzielono też w sposób następujący:
- Spis formatów plików archiwów
- Spis formatów plików audio
- Spis formatów plików bazodanowych
- Spis formatów plików dokumentów biurowych
- Spis formatów plików graficznych
- Spis formatów plików wideo
- Spis formatów plików tekstowych
- Spis formatów plików obrazów
- Spis otwartych formatów plików
- Spis zamkniętych formatów plików
Zobacz też edytuj
Przypisy edytuj
- ↑ Rozszerzenia plików by Akuła the Finch. [dostęp 2021-10-26]. [zarchiwizowane z tego adresu (2018-03-30)].
- ↑ FILExt - The File Extension Source