List of filename extensions (S–Z)

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This alphabetical list of filename extensions contains standard extensions associated with computer files.





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
SAFE SafeIT Encrypted
SAIF Spatial Archive Interchange Format
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
SAS SAS Program File SAS System
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
SBX For experimental extensions to Scratch Used by scratchX (
SBX Sequenced Box container Used by SeqBox
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
SCALA Scala source code file Scala (programming language)
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 EAGLE schematic file EAGLE (program)EAGLE
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
SCPT Script macOS
SCPTD Script bundle macOS
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
SDML Spatial 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
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
SFV Simple file verification checksum file many file verification tools
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
SGT Save/get keyboard macro Signature
SH Unix shell script Unix shell interpreter
SH3 Presentation Harvard Graphics 3.0
SH3D Sweet home 3d file Sweet home 3d, archivers with ZIP support
SHA1 SHA1 Checksum verification File HashCheck (Windows)
SHAR Shell self-extracting 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

ESRI shapefile



SHS Shell Scrap Object File Windows XP and earlier versions
SHT HTML format for WWW NetScape
SHW Presentation Harvard Graphics 2.0 - CorelShow
SHW Slide show WordPerfect Presentations, PMview Slide Show
SHX Shape entities

ESRI shapefile



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 gpg, PopMail, ThunderByte AntiVirus
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
SLP Age of Empires graphics file Age of Empires (video game)
SLS Slim source code Slim (programming language)
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 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 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 Squish message base lastread pointers Squish
SQL Structured Query Language Any SQL database
SQLite SQLite Firefox SQLiteBrowser
SQM Windows Live Messenger log file
SQN Note file SquareNote
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
SSO SmartSong SertintyONE
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 XML spreadsheet template Calc
STD State Transition Diagram graphic file Prosa
STD XML drawing template Draw
STEAMSTART STEAMSTART file Steam (software)
STF Setup Table File
STI XML presentation template 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 XML text document template 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
SW Raw Signed Word (16bit) data AWAVE
SWF Shockwave Flash Macromedia
SWG SWIG source code SWIG
SWG SWAG Pascal Snippets file SWAG
SWIFT Swift source code Swift (programming language)
SWP Document backup Sprint
SWP Swap file
SWT Hump Routes File FYM
SXC XML spreadsheet Calc
SXD XML drawing Draw
SXG XML master document
SXI XML presentation Impress
SXM XML formula Calc
SXP 3DS Process file 3D Studio
SXW XML text document 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 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


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
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 binary Unicode conversion table Volkov Commander, DOSLFN
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++
TCC TI-Nspire OS upgrade file TI-Nspire CX CAS
TCH Help file Turbo C - Borland C++
TCL Tool Command Language source code Tcl
TCO TI-Nspire OS upgrade file TI-Nspire CX
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 bitmap Paint.NET, many raster graphics editors
TGZ Archive WinZipNT - TAR - GNUzip
TH? Packed mail FTN software
THE Windows'95 Desktop Theme Microsoft Plus
THEME Windows Theme Microsoft Windows 95 with Plus!, 98 and later
THEMEPACK Windows Theme package Microsoft Windows 7 and later, many file archivers with CAB support
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
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 [1] 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
TMC TI-Nspire OS upgrade file TI-Nspire CM-C CAS
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
TMO TI-Nspire OS upgrade file TI-Nspire CM-C
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
TNC TI-Nspire OS upgrade file TI-Nspire CAS
TNO TI-Nspire OS upgrade file TI-Nspire
TNS TI-Nspire document TI-Nspire series
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
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
TRP MPEG-2 Part 1 multiplexed video stream Digital video broadcast, DVRs, video players
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
TS TypeScript source file
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
TST ExamView papers and online tests can be opened with WinRAR, ExamView, and TestGen software.[4]
TSV Tab Separated Values
TTE TrueType Font file Windows EUDC editor
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 Microsoft Notepad
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
TZL Tanzzle pattern file Tanzzle
TZX Tanzzle image file Tanzzle


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
UXP SmartData Object SertintyONE
UZED Compressed Unicode GEDCOM file Family Tree Builder


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
V4P vvvv patch vvvv
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
VBOX virtual machine settings file (in XML format)[5] VirtualBox
VBOX-EXTPACK VirtualBox extension package[6] VirtualBox
VBOX-PREV backup of virtual machine settings file VirtualBox
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 VirtualDrive CD Image File
VCD Value Change Dump (Verilog) temporal database file
VCD VisualCADD Drawing File
VCE Visual CertExam File VCE Exam Simulator
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 Targa bitmap graphics many raster graphics editors
VDI Virtual Disk Image VirtualBox
VDO Story Board video image Story Board
VDOC Vector Document File a Future Corporation Pty. Ltd. (Australia)
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 VHDL source file
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
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
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
VLOGO Vector Logo File a Future Corporation Pty. Ltd. (Australia)
VM Virtual Memory file Geoworks
VMC Virtual memory configuration DOS/4GW PM 32X DOS Extender
VMCZ Hyper-V Exported Virtual Machine Microsoft
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
VPP Visual Paradigm Project Visual Paradigm for UML
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
VSDM Visio macro-enabled drawing Visio
VSDX 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 Stencil Visio
VSSM Visio Macro-enabled Stencil Visio
VSSX Visio Stencil Visio
VSSX Visio Stencil Visio
VST Truevision Vista graphics many raster graphics editors
VST Visio Template Visio
VSTM Visio Macro-enabled Template Visio
VSTO Microsoft Office add-in file Microsoft Visual Studio
VSTX Visio Template Visio
VTF Source Engine resource file Source Engine
VUE Animation 3D Studio
VUE View dBASE IV - FoxPro
VVV Video game save VVVVVV
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


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)[7]
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
WDB World Database Lego Island
WDM Admin tool connection definition War FTP
WE? Packed mail FTN software
WEB WEB source code file Web Easy Professional
WEBLOC Web internet location macOS
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
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
WORKFLOW Workflow macOS
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
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
WS7 RS7 Setting Redshift 7
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
WSV Keysight SystemVue Workspace file Keysight SystemVue
WTR Working Timetable rules file Simsig
WT Parameter or data dump file WildTangent or MongoDB
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)


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
XEPH PixInsight Solar System Ephemeris Data File PixInsight
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 FastTracker 2 instrument file AWAVE
XIF Xerox Image Format Pagis Pro 2.0 and 3.0
XISB Extensible Image Serialization Format (XISF data blocks file) PixInsight (see XISF 1.0 Specification)
XISF Extensible Image Serialization Format (monolithic XISF file) PixInsight (see XISF 1.0 Specification)
XISH Extensible Image Serialization Format (XISF header file) PixInsight (see XISF 1.0 Specification)
XOSM PixInsight Project File PixInsight
XLA Add-in macro sheet Microsoft Excel
XLA XLib Archive
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
XLR Microsoft Works Microsoft Works
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 FastTracker 2 extended module AWAVE, Mod4Win, FastTracker, ImpulseTracker
XM Music format FastTracker 2 - 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
XNK Microsoft Outlook shortcut to Outlook entities
Xnn Secondary indexes Borland Paradox
XOF RenderMorphics
XP eXtended Pattern FastTracker 2
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
XRM-MS XrML Digital License SuperCalc
XSD XML schema description
XSF data Microsoft InfoPath 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 XX-encoded file (ASCII) XXDECODE
XXE XX-encoded file (ASCII) XXDECODE
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


Ext. Description Used by
Y Archive (Amiga) Yabba
Y YACC grammar file Yacc/Bison
YAL Data custom/nature.yal Arts & Letters
YLIB Yookoo Music Library Backup File Yookoo Media Player
Ynn Secondary index Borland Paradox
YAML Yaml source file YAML (data serialization language)
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


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 Z-view
ZED BitTorrent Link Podmailing
ZER Data file
ZIF Zoomable Image Format
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[8] Minetweaker Minecraft Mod
ZYP Reason Subtractor Patch File Propellerhead Reason
ZZT ZZT World Any world created using the ZZT editor

See also[edit]


  1. ^ RFC 5334 Ogg Media types
  2. ^ "t$m files - FILExt Forum". Retrieved 2012-06-19. 
  3. ^ a b Tru-i Suite,
  4. ^ "TST File - What is it and how do I open it?". Retrieved 28 April 2015. 
  5. ^ "Oracle VM VirtualBox User Manual, Chapter 10. Technical background". Oracle Corporation. Retrieved 28 December 2016. 
  6. ^ "Oracle VM VirtualBox User Manual, Chapter 1.5. Installing VirtualBox and extension packs". Oracle Corporation. Retrieved 28 December 2016. 
  7. ^ "Details of extension .wax". 2012. Retrieved March 7, 2012. 
  8. ^ Hebben, Stan. "Tutorial:Introduction - Minetweaker 3". Retrieved 28 September 2014. 

External links[edit]