List of filename extensions (S–Z)
Main article: List of filename extensions
This alphabetical list of filename extensions contains standard extensions associated with computer files.
Contents
A–E
Main article: List of filename extensions (A–E)
F–L
Main article: List of filename extensions (F–L)
M–R
Main article: List of filename extensions (M–R)
S
| Ext. | Description | Used by |
|---|---|---|
| S$$ | Temporary sort file | Sprint |
| S | ASSEMBLY source code file | unix |
| S | Multi Edit macro file source | Multi Edit |
| S | MSTS Shape file | MSTS |
| S19 | Motorola ASCII format of executables | |
| S1K | S1000 Simnet Format | |
| S3I | Digiplayer/ST3 Sample File | Digiplayer - ST3 |
| S3M | Music (16 channels) | Scream Tracker 3.0 - DMP |
| S7I | Seed7 library / include file | Seed7 interpreter and compiler |
| SA? | Packed mail | FTN software |
| SAB | Saber file | Star Wars: Jedi Knight Jedi Academy |
| SAF | see SAIF | |
| SAFE | SafeIT Encrypted | |
| SAIF | Spatial Archive Interchange Format | |
| SAL | Datafile | SORITEC |
| SAN | LucasArts' SMUSH/INSANE animation | |
| SAM | Ami Pro data file | Ami Pro |
| SAM | Text file | Samna - Lotus Ami/Ami Pro |
| SAP | Atari SAP music format | |
| SAR | Archive | SAR |
| SAT | ACIS ACIS .sat | |
| SATS | Static source | ATS |
| SAV | Backup file (saved file) | |
| SAV | Configuration | |
| SAV | Executable | RT-11 |
| SAV | SPSS "System File" | PSPP |
| SAV | Saved game state | Spider Solitaire (Windows) |
| SAVER | Screensaver | Mac OS X |
| SB | Audio file (signed byte) | |
| SB | Raw Signed Byte (8bit) data | AWAVE |
| SB | Raw Signed PCM Byte 8bit data | AWAVE |
| SB | Scratch project | Scratch |
| SB2 | Scratch 2.0 project | Scratch |
| SBD | Storyboard | Storyboard Editor |
| SBH | Header | ScriptBasic |
| 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 |
| SC3 | Saved City | SimCity 3000 |
| SC4 | Saved City | SimCity 4 |
| SC4 | Game Scenario | RollerCoaster Tycoon Deluxe/Expansion Pack |
| SC6 | Game Scenario | RollerCoaster Tycoon 2 |
| SCA | Datafile | SCA |
| SCC | Text file | |
| SCD | SCODOL film recorder (Scan Conversion Object Description Language) | SCODOL |
| SCF | Standard Chromatogram Format | DNA Baser Assembler |
| SCF | Standard Chromatogram Format | Staden package |
| SCF | ? | SimAnt or SimTown ?? |
| SCF | Windows Explorer Command (e.g.: show desktop.scf) | Windows Explorer |
| SCF | Multimedia show | ScoreMaker |
| SCF | Spelling checker configuration file | Symphony |
| SCH | Project schedule | Schedule Publisher |
| SCH | Circuit Design Schematic | P-CAD - Orcad - Protel |
| SchDoc | Circuit Design Schematic | Protel - Altium Designer |
| SCHEMATIC | MCEdit Schematic file | MCEdit Tool for Minecraft |
| SCI | Fax | SciFax |
| SCI | System Configuration Information | |
| SCM | Scheme source code file | |
| SCM | Schematic file (Circuit Diagram for PCB design) | Zuken CadStar |
| SCM | StarCraft mission | |
| SCN | SCeNe RTrace | |
| SCN | Screen file | Kermit |
| 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 | LocoScript |
| SCR | Screen saver | Windows 3.x |
| SCR | Screen snapshop | |
| SCR | Script file source | TeleMate - Kermit - 1st Reader |
| SCT | Additional (FPT) screen description file | FoxPro |
| SCTOR | Raster graphics format used by some very obscure custom operating systems | |
| SCX | Chart | Stanford Chart |
| SCX | Graphics format | ColoRIX |
| SCX | Main (DBF) screen description file | FoxPro |
| SCX | StarCraft: Brood War scenario | StarCraft: Brood War |
| SCY | Security file | ReaGeniX |
| SD | Sound Designer I audio file | AWAVE |
| SD7 | Seed7 source file | Seed7 interpreter and compiler |
| SDA | Fidonet's Software Distribution Network file archive description | |
| SDC | Video | DigimaxMaster - Samsung NV3 |
| SDC | Synopsys Design Constraints | Electronic Design Automation Tools |
| SDF | Microsoft SQL Server Compact Edition database file | |
| SDF | Flight data | microdrones GmbH |
| SDF | Source definition file | Sourcer |
| SDF | System Data Format file (fixed length ASCII text) | |
| SDI | Software Distribution Network Info file | |
| SDK | Roland S-550/S-50/W-30 Disk Image | |
| SDL | Alias Wavefront Scene Description Language | |
| SDM | Signed Differential Mapping brain maps and/or distributions | Signed Differential Mapping |
| SDML | Spacial Data Modeling Language | |
| SDN | Software Distribution Network compressed file archive | pak251.exe |
| SDR | SmartDraw File | SmartDraw Pro |
| SDS | MIDI Sample DUMP Standard File | |
| SDS | Self Defining Structure provides for N-dimensional very large datasets using HHCode | geographic information systems and relational database management systems |
| 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 |
| SED | Self extraction directive file | IExpress |
| SEN | Scifer Archive Format (Internal Header Mode) | |
| SEP | Printer separator page | |
| SEQ | ABI Text Sequence | Applied Biosystems |
| SEQ | Atari animation file | |
| SEQ | Video | Tiertex video sequence |
| SEQ | Sequential Instruction File | Bubble Chamber |
| SES | Session info | Clarion Modula-2 |
| SES | Multitrack Audio Session info | Adobe Audition |
| 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 | Hump Assignments File | FYM |
| SET | Setup options file | |
| SET | YVD card set file | YVD |
| SF | IRCAM Sound File | CSound package - MixView sound sample editor |
| SF | JAR Digital Signature | |
| SF | WPS attribute storage (OS/2 WorkPlace Shell) wp_root.sf | OS/2 WorkPlace Shell |
| SF2 | Emu SoundFont Bank v2.0 file | AWAVE |
| SFB | Configuration file | emacs |
| SFB | HP Soft font (obsolete under Windows) | |
| SFD | SoundStage Data file | AWAVE |
| SFF | Standard Flowgram Format | DNA Baser SFF Workbench tool |
| 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 |
| SFL | Sound file | Sound Forge and ACID Pro |
| 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 | Renamed dBASE III screen mask file | dBASE IV |
| SFX | SFX (self-extracting archives) script | RAR |
| SG1 | Graphics | Stanford Graphics |
| SGF | Document with graphics | Starwriter |
| SGF | Smart Game Format | Many board games |
| SGI | Graphics file | IRIS - Silicon Graphics |
| SGP | Statistics | STATGRAPHICS Plus |
| SGT | Save/get keyboard macro | Signature |
| SH | ASCII archive | SHAR |
| SH | Unix shell script | Unix shell interpreter |
| SH3 | Presentation | Harvard Graphics 3.0 |
| SH3D | Sweet home 3d file | Sweet home 3d |
| SHA1 | SHA1 Checksum verification File | HashCheck (Windows) |
| SHAR | Archive | UNSHAR (Unix) |
| SHB | Background | CorelShow |
| SHG | Segmented Hyper Graphics | Microsoft's shed.exe, JGsoft's Hotspot Builder, EC Software's Help and Manual |
| SHK | Apple II archive | SHRINKIT |
| SHM | Shell macro | WordPerfect Library |
| SHP | Shape file and sdiv id="PYI"> PYIource 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, PMview Slide Show |
| SHX | Shape entities | AutoCAD |
| SIB | Sibelius file | Sibelius 1-5 |
| SID | Sound Interface Device file format | SIDplayer, SIDplay, sidplay2 /w |
| SIF | Setup Installation Files info | Windows NT Setup |
| SIG | Current program settings | Signature |
| SIG | Signature file | ThunderByte AntiVirus - PopMail |
| SIK | Backup file (Sicherungskopie) | Microsoft Word |
| SIM | Simon document file - Simon instruction software editor | |
| SIS | symbian file | |
| SIT | Archive (Macintosh) | STUFFIT |
| SKI | ? | ? |
| SKP | Google SketchUp file | |
| 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 |
| SLDPRT | Part | SolidWorks |
| SLDASM | Assembly | SolidWorks |
| SLDDRW | Drawing | SolidWorks |
| SLI | Slide | MAGICorp Slide Service |
| SLK | Microsoft Excel import format | Microsoft Excel |
| SLK | SYLK Symbolic Link format data file | MultiPlan |
| SLL | Sound data file | |
| SLL | Static Link Library | PowerBASIC |
| SLN | Microsoft Visual Studio Solution | Microsoft Visual Studio |
| SLP | SLP command file created by SRCCOM | RT-11 |
| SLP | Localization project file | Sisulizer |
| 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 |
| SM | StepMania Step File | StepMania |
| SMC | Super MagiCom SNES ROM image | Super MagiCom |
| SMCLVL | Secret Maryo Chronicles Level | Secret Maryo Chronicles |
| SMF | Fax | SMARTFAX |
| SMF | 3D World Studio mesh files | |
| SMK | Smacker Video Format (RAD Video) | |
| SML | System Macro Library | RT-11 |
| SMM | Ami Pro Macro File | Ami Pro |
| SMN | Font (ParaGraph's WorkScript format) | |
| SMP | Sample (sound file) | |
| SMP | Samplevision File | Samplevision |
| SMPL | Data | Megahedron 3D object |
| SMS | MSTS Sound management system file | MSTS |
| 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 |
| SNDB | SQLNotes database | SQLNotes |
| SNG | Song (midi sound) | Midisoft Studio - Prism |
| SNG | Saved game file for StarCraft | StarCraft |
| SNO | SNOBOL4 source code file | |
| SNP | Book-shelf for .BOO | READIBM |
| SNP | Microsoft Access report snapshot | |
| SNP | Output video format from Computer Eyes equipment | |
| SNX | Saved game file for StarCraft: Brood War | StarCraft: Brood War |
| SO | shared object, dynamically linked library | Unix, Linux |
| SOAR | Soar Production file | |
| SOF | Altera FPGA programming file (internal RAM) | Altera Quartus |
| SOL | Solution e.g. game walkthroughs | |
| SOL | Adobe Flash shared object ("Flash cookie") (Movie, film, video and multimedia file type) | Adobe Flash |
| SOM | Network serial numbers | Quattro Pro |
| SOM | Sort information | Paradox |
| SON | Song | SBStudio II |
| SOU | Temporary BATCH file | RT-11 |
| SOU | SBStudio II Sound File | SBStudio II |
| SOU | Sound data (sound tool) | |
| SP | Archive (unix) | SPLINT |
| SPC | Program | Microsoft Multiplan |
| SPC | Temporary file | WordPerfect for Win |
| SPC | SNES SPC-700 Sound File | SNES games |
| SPC | Spectroscopic data (scientific) | Thermo Scientific |
| SPD | Scalable font | Speedo - Harvard Graphics 3.0 |
| SPF | Slide presentation file | EnerGraphics |
| SPF | data | SQR Portable Format |
| SPG | Glossary | Sprint |
| SPI | Graphics (Siemens and Philips scanner) | |
| SPIFF | Still Picture Interchange File Format | |
| SPIN | Spin source file | Parallax Propeller Microcontrollers |
| SPL | Archive | SPLINT |
| SPL | Customized printer driver | Sprint |
| SPL | Divided file segment | Slice |
| 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 | Exported SyncBack profile | SyncBack |
| 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 |
| SPX | Ogg Speex bitstream[1] | Xiph.Org Foundation |
| SQD | Squish message base | Squish |
| SQI | Squish message base index | Squish |
| SQL | Structured Query Language | Any SQL database |
| SQLite | SQLite | Firefox SQLiteBrowser |
| SQL | Squish message base lastread pointers | Squish |
| SQM | Windows Live Messenger log file | |
| SQN | Note file | SquareNote |
| SQZ | Archive | SQUEEZE |
| SQZ | FOXPRO Squeeze file | FOXPRO |
| SRC | Source code | Aurora Compiler |
| SRC | Multi-edit source | Multi-Edit |
| SRC | Source | DataFlex |
| SRF | Sun Raster File graphics file | |
| SRP | Script | QuickLink |
| SRT | Subtitle format | SubRip |
| SS | Bitmap graphics | Splash |
| SS | Screen saver | DN |
| SSC | Celestia Solar System Catalog file | Celestia |
| SSD | Datafile | SAS/PC |
| SSF | Graphic file | SnagIt Studio File/PC |
| SSG | Saved game | Simsig |
| SSIF | Stereoscopic Interleaved file | Media playback devices / software that supports Blu-ray 3D |
| SSP | Datafile | SAS Transport |
| SSR | FLEXIT Singleshot Survey Raw Data file | FLEXIT |
| SST | AVHRR graphic file | |
| SSV | Spreadsheet viewer 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 | Symbol table file | RT-11 |
| STB | Stub library | Genus GX Kernel |
| STC | Celestia Star Catalog file | Celestia |
| STC | OpenOffice.org XML spreadsheet template | OpenOffice.org Calc |
| STD | State Transition Diagram graphic file | Prosa |
| STD | OpenOffice.org XML drawing template | OpenOffice.org Draw |
| STEAMSTART | STEAMSTART file | Steam (software) |
| STF | Archive | SHRINKTOFIT |
| STF | Setup Table File | |
| STI | OpenOffice.org XML presentation template | OpenOffice.org Impress |
| STK | eBook | Starebook |
| STL | Stereolithography Interface Format | |
| STL | Subtitle files EBU-standard | |
| 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 |
| STP | Subtitler Project | Belle Nuit Subtitler |
| STR | Gate3 table structure file | |
| STR | Structure list object file | dBASE Application Generator |
| STR | PlayStation video file | |
| STS | Music format (Scream Tracker Song) | ST 2.0-2.3 |
| STS | Project status info | Microsoft C/C++ |
| STU | Studio Project | Pinnacle Studio (video editing software) |
| STUFF | EVE Online compressed file archive | CCP hf |
| STW | Data file | SmartTerm for Windows |
| STW | OpenOffice.org XML text document template | OpenOffice.org Writer |
| 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 | Saurus source file | |
| SU? | Packed mail | FTN software |
| SUB | Subtitle format | SubViewer; Author David Dolinski |
| SUC | Saurus byte-code file | Saurus VM |
| SUF | Sony camera configuration file (setup.suf) | XDCAM-EX camcorders |
| SUI | SUIT library | Simple User Interface Toolkit |
| SUM | Summary | |
| SUN | Sun rasterfile graphics file | Sun Microsystems |
| SUO | Solution User Options | Microsoft Visual Studio |
| SUP | Subtitle file (Blu-ray encapsulated container) | SupRip |
| SUP | Supplementary dictionary | WordPerfect for Win |
| SUR | Surface topography (in native "SURF" format) | MountainsMap |
| SV4 | Saved Game File | RollerCoaster Tycoon |
| SV6 | Saved Game File | RollerCoaster Tycoon 2 |
| SVC | Represents the ServiceHost instance hosted by Internet Information Services | Windows Communication Foundation |
| SVD | Autosave file for document | Microsoft Word |
| SVG | Autosave file for glossary | Microsoft Word |
| SVG | Scalable Vector Graphics | many |
| SVQ | MRC-Pro sequencers music format | Roland Corporation synths such as XP or Fantom series |
| SVS | Autosave file for style sheet | Microsoft Word |
| SVW | Super Video Windows | Conversion Artist |
| SVX | Interchange, 8SVX/16SV | AWAVE |
| SVY | FLEXIT Survey data | FLEXIT |
| SW | Raw Signed Word (16bit) data | AWAVE |
| SWF | Shockwave Flash | Macromedia |
| SWG | SWIG source code | SWIG |
| SWG | SWAG Pascal Snippets file | SWAG |
| SWP | Document backup | Sprint |
| SWP | Swap file | |
| SWT | Hump Routes File | FYM |
| SXC | OpenOffice.org XML spreadsheet | OpenOffice.org Calc |
| SXD | OpenOffice.org XML drawing | OpenOffice.org Draw |
| SXG | OpenOffice.org XML master document | |
| SXI | OpenOffice.org XML presentation | OpenOffice.org Impress |
| SXM | OpenOffice.org XML formula | OpenOffice.org Calc |
| SXP | 3DS Process file | 3D Studio |
| SXW | OpenOffice.org XML text document | OpenOffice.org Writer |
| 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 |
| SYG | Monitor and handler files created by SYSGEN | RT-11 |
| SYM | Compiler symbolic information file | |
| SYM | P-CAD component (symbols) | P-CAD |
| SYM | Precompiled headers | Borland C++ |
| SYM | Program symbol table | Power C, Microsoft ILink incremental linker |
| SYM | Symbol file | Harvard Graphics 2.0, Microsoft Windows SDK |
| SYN | SDSC Synu image file | SDSC Image Tool |
| SYN | Synonym file | Microsoft 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 |
| SZPROJ | SZInstallSystem Project | SoftwareZator 2011 Standart Edition |
T
| Ext. | Description | Used by |
|---|---|---|
| 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 |
| T$M | AVG scan log files[2] | AVG |
| T2B | Bookeen Cybook thumbnail | Cybook |
| t2flow | Taverna 2 workflow definition | Taverna workbench |
| T2L | True2Life file format | 3D Internet content developers |
| 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++ |
| TAK | Audio codec, Lossless audio file format | Winamp (+Plugin), foobar2000 (+Plugin), Media Player Classic - BE |
| 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 |
| TB | Tab file (Virtual Desktop Tab) | Tabbery |
| 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 | Short for Table | used by many programs |
| TBL | Aldus TableEditor file | TableEditor |
| TBL | Gate3 table file | |
| TBL | Graphics file (native format) | PageMaker TableEditor |
| TBL | Table of values | OS/2 |
| TBR | Norton Desktop custom toolbar | NDW |
| TBS | Text elements ?? (Textbausteine) | Microsoft Word |
| TBX | Table | Project Scheduler 4 - TermBase eXchange (ISO 30042) |
| TBZ | Archive | WinZipNT - TAR - Bzip2 |
| TC | Configuration | Turbo C - Borland C++ |
| TCH | Help file | Turbo C - Borland C++ |
| TCL | Tool Command Language source code | Swat |
| TCT | Drawing Template | TurboCAD for Windows |
| TCW | Native Drawing File | TurboCAD for Windows |
| TD | Config from Turbo Debugger | Turbo Debugger |
| TD0 | Compressed disk image file | Teledisk |
| TD1 | Multi-part disk image file | Teledisk |
| TD2 | Configuration file | Turbo Debugger for Win32 |
| TDB | Database | TACT |
| TDDD | Imagine Object File Format | Imagine |
| 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 |
| TDT | Thumbnail data | AVCHD |
| TDW | Configuration file | Turbo Debugger for Windows |
| TEC | Data | TECPLOT output |
| TEC | TECO macro file ("compiled" form) | TECO |
| TEF | Fax | Relisys TEFAX |
| TEL | Host file | Telnet |
| TEM | Input template | IconAuthor |
| TEM | Turbo Editor Macro Language script | Borland C++ |
| TERM | Terminal File | |
| TES | TECO macro file (source form) | TECO |
| TET | Tetris results | DN |
| TEX | Datasheet | Idealist |
| TEX | TeX text file | Scientific Word - TeX |
| TEX | Image | Slimtex |
| TEXT | Text file | |
| TF | Configuration | Turbo Profiler |
| TFA | Area file | Turbo Profiler |
| TFC | Catalogue file | Tobi's Floppy Cataloguer |
| TFF | self executing TansForm dialogue | TansForm |
| 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 | Paint.NET |
| TGZ | Archive | WinZipNT - TAR - GNUzip |
| TH? | Packed mail | FTN software |
| THE | Windows'95 Desktop Theme | Microsoft Plus |
| THM | Thumbnail or Theme File | Picture Publisher, PhotoMagic, Canon Digital Cameras, and Sony Digital Cameras create these Thumbnail files; also used for Sony Ericsson Theme File, for a cell phone |
| THP | Nintendo proprietary video format | Various Nintendo games |
| THR | ThredWorks Embroidery Format | Thred, Embroidermodder |
| THS | Thesaurus dictionary | WordPerfect for Win |
| TIB | Acronis True Image Backup | Acronis True Image |
| TIC | FTN special file with assotiated file description | ALLFIX |
| TIF | see TIFF | |
| TIFF | TIFF (tagged image format file) bitmapped file | Alchemy - PhotoStyler -PageMaker - CorelDRAW |
| TIGER | Tomb Raider binaries files | Ubi |
| TIL | Fuzzy logic knowledge base | Togai InfraLogic Fuzzy-C Compiler |
| TIP | Digital Signage Presentation | Tru-Designer, Tru-Player, Tru-Scheduler part of Tru-i Suite[3] |
| TIS | Tile set | MahJongg 3.0 |
| TJL | Backup file | VAXTPU editor |
| TLB | Reference table | Bubble Chamber |
| TLB | Text library | VAX |
| TLB | Type library | A binary file with information about a COM or DCOM object so other applications can use it at runtime. Created by Visual C++ or Visual Studio. Used by many Windows applications. |
| TLC | Compiled Tool Command Language source code | Swat |
| TLD | Disk Image | Teledisk |
| TLG | Transaction Log | Intuit QuickBooks |
| TLH | Typelib Generated C/C++ Header | Visual C++ |
| TLP | Project | TimeLine |
| TLX | Website builder | Trellix |
| TM2 | Typical Meteorological Year data (new) | Typical Meteorological Year |
| TMF | Tagged Font Metric file | WordPerfect for Win |
| TMF | TiVo movie | TiVo |
| TMO | ZTG global optimizer default output file | Zortech C++ |
| TMO | HandsHigh ThoughtManager Outline | ThoughtManager Desktop |
| TMP | Temporary file | (Several programs) |
| TMS | TeleMate compiled script | TeleMate |
| TMY | Typical Meteorological Year data (old) | Typical Meteorological Year |
| TMY2 | Typical Meteorological Year data (new) | Typical Meteorological Year |
| TOC | Table Of Contents text file (ASCII) | |
| TOCG | TorgaNET Diplomatic Cables | State Department of Torga |
| TOK | Borland C++ 4.x reserved word list | BCW.EXE |
| TOG | TorgaNET | TorgaNET database file |
| TOPC | TopicCrunch SEO Project file holding keywords, domain and search engine settings (ASCII) | |
| TORRENT | TORRENT File | BitTorrent clients (various) |
| TOS | Character file | The Only Sheet |
| TOS | Self-extracting file archive (Atari ST) | |
| TP | Session-state file | Turbo Profiler |
| TP | Turbo Pascal cfg file | Turbo Pascal |
| TP | TinkerPlots Document | TinkerPlots and Fathom Dynamic Data Software; documents contain data tables, graphs, text, pictures, etc. |
| TP3 | Template | Harvard Graphics 3.0 |
| TPB | Downloadable PCL Soft font file backup | HiJaak |
| TPC | File produced when an inter-Topicscape topic link file is exported to Windows | 3D Topicscape |
| TPF | Downloadable PCL Soft font file | HiJaak |
| TPF | Print data in EMF format | ThinPrint |
| TPH | Help file | Turbo Pascal |
| TPL | Resident units library | Turbo Pascal |
| TPL | Template file | GoldEd -ITrack |
| TPL | Template | Harvard Graphics 2.0 |
| TPOLY | Data | TPOLY 3D object |
| TPP | Protected Mode Units | Borland Pascal 7.0 |
| TPT | Digital Signage Presentation Template | Tru-Designer, Tru-Scheduler part of Tru-i Suite[3] |
| 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 |
| TRASH | File found during a file scan as bugged | Windows |
| TRE | Directory tree file | PC-Tools |
| TRD | Datafile | TrID file identifier filetypes definitions package |
| TRIA | Data | Greg Hood's ASCII Triangle |
| TRIB | Data | Greg Hood's Binary Triangle |
| 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 or password file |
| TRS | WiSo Mein Geld 2007 | |
| TRS | IBM Mainframe log file | TRSMAIN |
| TRU | True Basic source file | |
| TRW | Session-state settings | Turbo Debugger for Windows |
| TRY | Typical Meteorological Year data (variant) | TRNSYS |
| TS | MPEG Transport Stream | Various media players / software |
| TS | Qt Linguist TS File | Trolltech Qt Linguist |
| TSE | Data | Light Map Maker ASCII Scene |
| TSK | Microsoft Multimedia Task Application | Win95 |
| TSL | Exported Schedule | Tru-Scheduler part of Tru-i Suite |
| 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 |
| TVF | Table view settings | dBASE |
| TVn | Overflow file above insert point in Doc n | WordPerfect for Win |
| TWF | Warp Map File | Geo Semiconductor, Inc eWarp Pro Development Took Kit |
| TXC | Test Configuration Format | |
| TXF | Tax eXchange Format | |
| TXI | Support file | TeX |
| TXT | Common name for ASCII text file | |
| TXT | Tab-Delimited Text File | Microsoft Excel |
| TXT | Document Extension | TextEdit |
| TXW | Yamaha TX-16W Wave File | Convert (c) Villena |
| TY | TiVo movie | TiVo |
| TYM | Time Stamp (PageMaker 4) | PageMaker 4 |
| TZ | Archive | TAR - COMPRESS |
| TZB | Archive | TAR - COMPRESS - BTOA |
| TZL | Tanzzle pattern file | Tanzzle |
| TZX | Tanzzle image file | Tanzzle |
U
| Ext. | Description | Used by |
|---|---|---|
| U3D | Model file format | Ultimate 3D |
| U3D | Universal 3D | Adobe Acrobat |
| U8 | Sample | |
| UB | Raw Unsigned Byte (8bit) data | AWAVE |
| UC2 | Archive | UC II |
| UCN | New archive | UC II |
| UCS | Unknownsoft Service Pack (mainly for Shadow OS 2009) | Unknownsoft Computer Systems |
| UDF | Filter | Aldus Photostyler |
| UDO | Data | Moray User Defined Object |
| UDIWWW | bookmark data | UdiWWW |
| UDW | Raw Unsigned DWord data | AWAVE |
| UE2 | Encrypted archive | UC II |
| UFI | data | UFO CaptureV2 settings - |
| UFO | graphic file | Ulead Photo Impact |
| UHA | UHarc archive | |
| UHS | Universal Hint System (binary file) | |
| UI | Espire source code file | Geoworks UI Compiler Geos |
| UI | Qt Designer's UI File | Trolltech Qt Designer |
| UI | User interface | Sprint |
| UIF | Long prompts for windows | WordPerfect for Win |
| UIH | Espire header file | Geoworks UI Compiler Geos |
| UL | ULAW audio file | |
| ULD | Information about uploaded files | Procomm Plus - Datastorm Technologies, Inc. |
| ULF | data | MRF Mapping Tool Kit Universal List Format |
| ULT | Music | UltraTracker |
| UMB | Backup file | MemMaker |
| UMP | Umple UML Programming Language Format | Umple |
| UMX | Unreal Music Package | Unreal Tournament |
| UNF | Universal NES Image Interchange File Format | |
| UNI | Datafile | Forecast Pro |
| UNI | Music format | UNIMOD - MIKMOD |
| UNIF | Universal NES Image Interchange File Format | |
| UNV | Text file containing finite elements nodal coordinates and more See notes | Originally used by SDRC for its I-deas software; a lot of simulation software use it today |
| UNX | Text file containing UNIX specific info | |
| UOML | UniqueObject Markup Language (UOML) is a XML-based markup language | |
| UOP | Uniform Office Format presentation | |
| UOS | Uniform Office Format spreadsheet | |
| UOT | Uniform Office Format text | |
| UPD | Update data | dBASE |
| UPO | Compiled update data | dBASE |
| URL | Internet Shortcut (URL) | Windows Explorer |
| URT | Utah Raster Toolkit | |
| USE | Log file | |
| USP | Printer font with USASCII extended character set | Adobe PageMaker |
| USR | User database file | Procomm Plus - Turbo C++ tour |
| UST | UTAU vocal track | UTAU |
| UT! | datafile | uTorrent |
| UTZ | Mobile Phone Theme | Sony Ericsson |
| UU | Encoded file (ASCII) | UUENCODE/UUDECODE - Uuencoding |
| UUE | Encoded file (ASCII) | UUENCODE/UUDECODE - Uuencoding |
| UW | Raw Unsigned Word 16bit data | AWAVE |
| UWF | UltraTracker WaveSample | UltraTracker |
V
| Ext. | Description | Used by |
|---|---|---|
| V | Consistency check support file | ReaGeniX code generator |
| V | Main input file for an image | Vivid 2.0 |
| V | Coq source file | |
| V | Verilog source file | |
| V1, V2, ... | Split parts of a whole file | JJSplit |
| V8 | Covox 8bit file | AWAVE |
| V10 | Data | Gouraud Shaded Vectors |
| V2D | Voucher design file | Voucher management included in JFire (e.g. when printing a voucher) |
| VAI | multimedia | PhotoDub document |
| VAL | Validity checks and referential integrity | Paradox for Windows |
| VAL | Values list object file | dBASE Application Generator |
| VALA | Sourcecode | Vala |
| VAN | Animation | VistaPro |
| VAP | Value Added Process | NetWare 2.xx |
| VAP | Dialogic indexed adpcm voice file | VBASE/40 |
| VAR | Variable file | IconAuthor |
| VB | Visual Basic .Net source file | Visual Basic .NET |
| VBPROJ | Visual Basic .Net project file | Visual Basic .Net Express and Visual Studio 2003-2010 Project |
| VBR | Visual Basic Custom Control file | Visual Basic |
| VBS | VBScript script file | VBScript |
| VBX | Visual Basic eXtension | Visual Basic |
| VBZ | Visual Basic Setup Wizard Template | Setup Wizard |
| VC6 | Graphite - 2D and 3D drafting | Ashlar-Vellum |
| VC | Include file with color definitions | Vivid 2.0 |
| VC | Spreadsheet | VisiCalc |
| VCA | Visual Clip Art | |
| VCD | VideoCD | |
| VCD | VirtualDrive CD Image File | |
| VCD | Value Change Dump (Verilog) temporal database file | |
| VCD | VisualCADD Drawing File | |
| VCE | Visual CertExam File | |
| VCLS | VocaListener voice scanner file | VocaListener Plug-in (Vocaloid3) |
| VCR | VCR drivers for Arvid | |
| VCW | Visual workbench information | Microsoft Visual C++ |
| VCX | Spreatsheet | VisiCalc Advanced |
| VDA | Bitmap graphics | |
| VDI | Virtual Disk Image | VirtualBox |
| VDO | Story Board video image | Story Board |
| VDR | Drawing | ComputerEasy Draw |
| VEG | Vegas Project | Sony Vegas |
| VEW | GroupWise for Windows | Win |
| VEW | View file | Clipper 5 - Lotus Approach |
| VF0 | Database file | OTExpert 5 |
| VFA | FontLab Database file | FontLab |
| VFD | Virtual Floppy Disk | Windows Virtual PC (among others) |
| 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 |
| VGM | Video Game Music audio format | |
| VGR | Graphics file | Ventura Publisher |
| VHD | Virtual Hard Disk | Windows Virtual PC (among others) |
| VI | LabVIEW Virtual Instrument | LabVIEW |
| VI | Graphics file | Jovian Logic VI |
| VI | Watcom editor script | VI.EXE |
| VIA | VIA Document Project | VIA Text Editor |
| 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) | |
| VIM | Vim script file | Vim text editor |
| VINF | data | ReMPEG log file - frames info |
| VIR | Virus or infected file | |
| VIS | VIS graphics file | |
| VLM | Vellum, Vellum 2D, Vellum Draft, Vellum 3D, DrawingBoard | Ashlar-Vellum |
| VLM | Virtual Loadable Module | Netware |
| VM | Virtual Memory file | Geoworks |
| VMC | Virtual memory configuration | DOS/4GW PM 32X DOS Extender |
| VMDK | Virtual Disk file | VMware |
| VMF | Font characteristics | Ventura Publisher |
| VMG | Nokia message file format | Text Message Editor (Nokia PC Suite) |
| VMS | Text file containing VMS specific info | |
| VMT | Source Engine resource file | Source Engine |
| VO | Include file with object definition | Vivid 2.0 |
| VOB | Video Object | DVD-R, DVD-RW |
| VOC | Sound format (Creative Lab's Sound File) | PlayVoc |
| VOF | Object folder | VZ Programmer |
| VOP | Visual Orangator Project | |
| VOP | Visual OTTHYMO Project | |
| 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 |
| VPM | Garmin Voice Processing Module | |
| VQA | Vector Quantized Animation | The Legend of Kyrandia |
| VQM | Hardware description language | Altera |
| VRM | Overlay file | QuattroPro |
| VRM | Visual rexx source | WATCOM VREXX |
| VRML | Virtual Reality Modeling Language | NetScape |
| VRP | Project | WATCOM VX?Rexx |
| VRS | Video Resource e.g. video device driver | WordPerfect |
| VS | Vellum Solids | Ashlar-Vellum |
| VS | Include file with surface definition | Vivid 2.0 |
| VSD | Diagram | Shapeware Visio |
| VSD | Visio drawing | Visio |
| VSM | Visual Simulation Model | VisSim |
| VSP | Sprite | SPX |
| VSQ | Vocal synthesizer track data | Vocaloid2, Vocaloid3 |
| VSQX | Vocal synthesizer track data | Vocaloid3 |
| VSS | SmartShapes file | Shapeware Visio |
| VSS | Visio Template | Visio |
| VST | Truevision Vista graphics file | |
| VST | Visio Template | Visio |
| VSTO | Microsoft Office add-in file | Microsoft Visual Studio |
| VTF | Source Engine resource file | Source Engine |
| VUE | Animation | 3D Studio |
| VUE | View | dBASE IV - FoxPro |
| VW | Text file | VolksWriter |
| VWR | File viewer file | PC Tools |
| VWX | CAD File | VectorWorks 2008 |
| VXD | Windows 3.x virtual device driver | Windows 3.x |
| VZT | Temporal database file | GTKWave data file |
W
| Ext. | Description | Used by |
|---|---|---|
| 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 |
| W3A | Warcraft III Abilities Export File | Contained in a Warcraft III map |
| W3B | Warcraft III Destructables Export File | Contained in a Warcraft III map |
| W3D | Warcraft III Doodads Export File | Contained in a Warcraft III map |
| W3D | Westwood 3D object format | 3D models used in Renegade and Generals |
| W3D | Shockwave 3D object format | |
| W3G | Warcraft III Replay File | File for Warcraft III |
| W3H | Warcraft III Buffs Export File | Contained in a Warcraft III map |
| W3M | Warcraft III Map | File for Warcraft III: Reign of Chaos |
| W3N | Warcraft III Campaign | File for Warcraft III: The Frozen Throne |
| W3O | Warcraft III Object Data Export File | Contained in a Warcraft III map |
| W3P | Warcraft III Save | Save File for Warcraft III |
| W3Q | Warcraft III Upgrades Export File | Contained in a Warcraft III map |
| W3T | Warcraft III Item Export File | Contained in a Warcraft III map |
| W3U | Warcraft III Unit Export File | Contained in a Warcraft III map |
| W3V | Warcraft III Save | Save File for Warcraft III |
| W3X | Warcraft III Expansion Map | File for Warcraft III: The Frozen Throne |
| W3Z | Warcraft III Save | Save File for Warcraft III |
| W40 | renamed system files (AUTOEXEC.BAT, COMMAND.COM, CONFIG.SYS,DBLSPACE.BIN.DRVSPACE.BIN,MSDOS.SYS) of Windows version | Windows 95, 98, ME (dual-boot feature) |
| W44 | Temporary file for Sort or Index | dBASE |
| W95 | Something for Windows95 | Win95 |
| WAD | Where's All the Data? | Doom - Doom2 |
| WAD | Nintendo proprietary format for Wii channels, menus, etc. | Nintendo Wii |
| WAG | Yard Contents File | FYM |
| WAI | Warcraft III AI Data File | Warcraft III AI Data File |
| WAR | Java Web Archive | A Java file format used to package and deploy web applications |
| WAS | ProComm Script File (source code) | ProComm |
| WAV | Sound format (Microsoft Windows RIFF WAVE) | Media Player |
| WAX | TVTonic WAX video packaging | Wavexpress TVTonic |
| WAX | ProComm compiled script | ProComm |
| WAX | Windows Media Audio Shortcut | Windows Media Player (Windows Media Audio Redirector)[4] |
| WB1 | Notebook | Quattro Pro |
| WB2 | Spreadsheet | Quattro Pro |
| WBF | Microsoft Windows Batch File | Catch |
| WBK | Document/workbook or Microsoft Word backup file | WordPerfect for Win or Microsoft Word |
| WBT | Norton Desktop | Norton Desktop |
| WBT | Wilsonware Batch file | Winbatch |
| WCD | Condes Event Data file | Condes |
| WCD | Macro token list | WordPerfect for Win |
| WCH | WordPerfect Macro Facility | WP |
| WCM | Data transmission file | Microsoft Works |
| WCM | Macro | WordPerfect for Win |
| WCP | Product information description | WordPerfect for Win |
| WD | InfoSelect Data file | |
| WDB | Database | Microsoft Works |
| WDM | Admin tool connection definition | War FTP |
| WE? | Packed mail | FTN software |
| WEB | WEB source code file | Web Easy Professional |
| 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 |
| WFT | Web Family Tree | GRAMPS |
| 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 |
| WIFI | Torga OS Wifi Settings Database | 14th Information Division (Torga) |
| WIKI | Wiki markup (various flavors) | Wikis |
| WIM | Windows Imaging Format | ImageX |
| WIN | Window file | FoxPro - dBASE |
| WIREFRAME | Data | EMSE mesh |
| WIX | Windows Installer XML | WiX |
| WIZ | Page wizard | Microsoft Publisher |
| WK1 | Spreadsheet | Lotus 1-2-3 version 2.x - Lotus 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 |
| WKF | VISI Working file | Vero Software |
| WKI | Spreadsheet format | Lotus 123 2x |
| WKQ | Spreadsheet | Quattro |
| WKS | Spreadsheet | Lotus 1-2-3 version 1A - Lotus Symphony 1.0, Microsoft Works |
| WKS | Workspace | Xlisp |
| WKZ | Spreadsheet format | Dos Navigator |
| WLK | Graphics | Virtus Walkthrough |
| WLK | Walk Through for any game | many |
| WMA | Windows Media Audio audio file | |
| WMC | Backup of startup files by Windows MathCad autoexec.wmc | MathCad |
| WMC | Macro file | WordPerfect for Win |
| WMC | Text file | WordMARC |
| WMDB | Windows Media Player database | Windows Media Player |
| WMF | Windows MetaFile vector graphics | |
| WMO | WoW Map Object | Blizzard Entertainment games (World of Warcraft/Warcraft series) |
| WMP | Graphics (Windows Magic Icon Palette) | |
| WMV | Windows Media Video video file | |
| 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 |
| WPG | WordPerfect Graphics vector graphics | DrawPerfect |
| WPJ | Watcom C/C++ IDE project | IDE.EXE |
| WPK | Macros | WordPerfect for Win |
| WPL | MediaRack Wave Playlist | MediaRack |
| WPL | Windows Media Playlist | Windows Media Player |
| WPM | Macros | WordPerfect |
| WPS | Text document | Microsoft Works |
| WQ! | Compressed spreadsheet | Quattro Pro |
| WQ1 | Spreadsheet | Quattro Pro |
| WR1 | Spreatsheet | Lotus Symphony 1.1 - 1.2 - 2 |
| WRD | Template | Charisma |
| WRI | Write editor format | Write - WinWord |
| WRK | Spreadsheet | Lotus Symphony 1.0 |
| WRL | VRML file | |
| WRP | Archive | Amiga WARP |
| WRS | Windows Resource e.g. might indicate error if word cannot open | WordPerfect for Win |
| WS | APL Worksheet | |
| WS | Text file | WordStar 5.0-6.0 |
| WS2 | Text file | WordStar 2000 |
| WSD | Document | WordStar |
| WSF | Windows Script File | Microsoft Windows Script Host |
| WSP | Workspace | Fortran PowerStation |
| WSQ | Wavelet-packet Scalar Quantization Format | |
| WSRC | X-wais source | |
| WST | Text file | WordStar |
| WTR | Working Timetable rules file | Simsig |
| WTT | Working Timetable timings file | Simsig |
| WTF | World of Warcraft Data File | World of Warcraft |
| WTF | WinTaper Data | |
| WWB | Button bar for document window | WordPerfect for Win |
| WWF | WWF Document Format | |
| WWK | Keyboard layout | WordPerfect for Win |
| WXH | Program/Script File | WaxHtml Web Programming Language |
| WXP | Document | EXP for Windows |
| WZ | Wizet game archive file | Wizet/Nexon MapleStory |
| WZA | Encrypted archive file | Department of Defense Encryption Wizard (Public Edition) |
X
| Ext. | Description | Used by |
|---|---|---|
| X | Archive | X1.EXE |
| X | AVS X image file | SDSC Image Tool |
| X | DirectX 3D object | |
| X | LEX source code file | |
| X | XBasic Source code file | Xbasic |
| X3D | x3d and xdart Formats | |
| XA | XA audio file | used in SimCity 3000 by Maxis, also by Sony PlayStation |
| XAR | Xara graphics file | Files created by Xara Photo & Graphic Designer (formerly Xara Xtreme and Xara Studio); early versions used the extension ART |
| XBE | Xbox Executable | Xbox |
| XBM | X11 Bitmap graphics file | |
| XLBL | extensible Business Reporting Language | Business Reporting |
| XCF | Gimp image file | The Gimp |
| 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 |
| XE | Xenon - for Associative 3D Modeling | Ashlar-Vellum |
| XEX | Xbox 360 Executable File | |
| 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 |
| XIF | Xerox Image Format | Pagis Pro 2.0 and 3.0 |
| XLA | Add-in macro sheet | Microsoft Excel |
| XLA | XLib Archive | xlibpas2.zip |
| XLB | Microsoft Excel Toolbar | Microsoft Excel |
| XLC | Microsoft Excel Chart | Microsoft Excel |
| XLD | Microsoft Excel Dialog | Microsoft Excel |
| XLF | Extensible LADAR Format | LadarSIM |
| XLK | Microsoft Excel Archive | Microsoft Excel |
| XLL | Microsoft Excel Dynamic Link Library | Microsoft Excel |
| XLM | Microsoft Excel Macro File | Microsoft Excel |
| XLS | Microsoft Excel Spreadsheet | Microsoft Excel |
| XLSB | Microsoft Excel 2007 Binary Workbook (BIFF12)(Spreadsheets) | Microsoft Excel 2007 (see Microsoft Office 2007 file extensions) |
| XLSM | Microsoft Excel 2007 Macro-Enabled Workbook (Spreadsheets) | Microsoft Excel 2007 (see Microsoft Office 2007 file extensions) |
| XLSX | Office Open XML Workbook (Spreadsheets) | Microsoft Excel 2007 (see Microsoft Office 2007 file extensions) |
| XLT | Microsoft Excel Template | Microsoft Excel |
| XLT | Translation table | Lotus 1-2-3 - Symphony - Procomm Plus |
| XLV | Microsoft Excel Module | Microsoft Excel |
| XLW | Microsoft Excel Workbook | Microsoft Excel |
| XM | Fast Tracker 2 extended module | AWAVE, Mod4Win, FastTracker, ImpulseTracker |
| XM | Music format | FastTracker - Cubic Player |
| XMC | Assisted contact lists file format, based on xml and used in kindergartens and schools | Classmates iPhone app |
| XMOD | Monarch Model | Monarch Professional |
| XMI | Compressed eXtended MIdi music | |
| XML | eXtensible Markup Language file | |
| XMF | eXtensible Music Format | |
| XMPZ | XML Miradi Project Zipfile | Miradi |
| XMV | video | Xbox |
| XNF | Standard Network File form | |
| Xnn | Secondary indexes | Borland Paradox |
| XOF | RenderMorphics | |
| XP | eXtended Pattern | FastTracker 2.0 |
| XPL | X-Plane system file | Laminar research |
| XPM | X11 Pixel Map graphics file | |
| XPO | Microsoft Dynamics AX Export file | |
| XPS | Open XML Paper Specification / OpenXPS | open standard document format initially created by Microsoft and similar in concept to Adobe PDF files |
| XQT | Executable file | Waffle |
| XQT | Macro sheet | SuperCalc |
| XRF | Cross-reference file | |
| XSF | data | Microsoft InfoPath file |
| XSPF | XML Sharable Playlist Format | |
| XTB | External translation table | LocoScript |
| XTP | XTreeGold overlay | XTreeGold |
| XVF | Xyngo Video File | Xyngo Video Board |
| XWD | Xerox DocuWorks file (RTF internal?) | DocuWorks |
| 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 |
| XXX | Singer Embroidery Format | Embroidermodder |
| XY | Text file | XY Write |
| XY3 | Text file | XYWrite III |
| XYW | Text file | XyWrite III |
| XYZ | Molecular coordinates | XMol, RasMol |
| XZ | a lossless data compression file format incorporating the LZMA/LZMA2 compression algorithms. | xz |
Y
| Ext. | Description | Used by |
|---|---|---|
| Y | Archive (Amiga) | Yabba |
| Y | YACC grammar file | Yacc/Bison |
| YAL | Data custom/nature.yal | Arts & Letters |
| YC | Archive | YACC (YAC.EXE) |
| YLIB | Yookoo Music Library Backup File | Yookoo Media Player |
| Ynn | Secondary index | Borland Paradox |
| YMP | Yast Meta Package | YAST2 (SUSE Linux Package Manager) |
| YOOKOO | Yookoo Playlist | Yookoo Media Player |
| YST | Data | YASRT Raytracer scene |
| YRD | Yard Tracks File | FYM |
| YUV | Graphics format (YUV) | |
| YY | Bison grammar file | Bison |
| YZ | Archive | YAC |
Z
| Ext. | Description | Used by |
|---|---|---|
| Z | Archive | WinZipNT - COMPRESS - PACK |
| Z01-Z99 | Split WinRAR Archive | |
| Z2S | Zoo Tycoon 2 saved game | Any game in the Zoo Tycoon 2 series |
| Z3 | Infocom game module | |
| Z3D | Zmodeler-file | Zmodeler 1 & 2 |
| Z64 | Nintendo 64 ROM | Project64 Nintendo 64 emulator |
| Z80 | Snapshot | ZX Spectrum emulator by g.a.lunter |
| ZAD | ZFax digitized voice file | ZFax |
| ZARGO | UML model project file | ArgoUML |
| ZCC | Cutpath for Zund digital cutting systems | Zund Cut Center |
| ZDG | Compressed ZiffNet text document | Zview |
| ZED | BitTorrent Link | Podmailing |
| ZER | Data file | |
| ZIP | Archive | PKZip - WinZip - Mac OS X |
| ZOO | Zoo Tycoon saved game | Any game in the Zoo Tycoon (first) series |
| ZUR | High level compressed file | |
| ZUZ | Cost estimating file | ZUZIA ZUZIAbim |
| ZS | Script for Minecraft mod MineTweaker[5] | Minetweaker Minecraft Mod |
| ZYP | Reason Subtractor Patch File | Propellerhead Reason |
| ZZT | ZZT World | Any world created using the ZZT editor |
See also
References
- ↑ RFC 5334 Ogg Media types
- ↑ "t$m files - FILExt Forum". Filext.com. Retrieved 2012-06-19.
- 1 2 Tru-i Suite, truknox.com
- ↑ "Details of extension .wax". filedesc.com. 2012. Retrieved March 7, 2012.
- ↑ Hebben, Stan. "Tutorial:Introduction - Minetweaker 3". minetweaker3.powerofbytes.com. Retrieved 28 September 2014.
External links
- File Extension Resource
- The File Extensions Resource
- File information site
- File format finder
- List of file types
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