Return to Filename Extensions
This alphabetical list of filename extensions contains extensions of notable file formats used by multiple notable applications or services.
Ext. | Description | Used by |
---|---|---|
|
assembler source code file | Unix |
|
Seed7 library / include file | Seed7 interpreter and compiler |
<ref> </ref> |
Spatial Archive and Interchange Format | |
<ref name=“SASS”> </ref> |
Sass stylesheet language, indented-format | |
|
ACIS ACIS .sat | |
|
SPSS tabular data (binary) | PSPP, SPSS |
|
Scratch project | Scratch |
|
Scratch 2.0 project | Scratch |
|
Scratch 3.0 project | Scratch |
|
Header | ScriptBasic |
|
Superbase RDBMS form definition data | Superbase (database) |
|
For experimental extensions to Scratch | Used by scratchX (scratchx.org) |
|
Scala source code file | Scala (programming language) |
|
Scheme source code file | |
SCR | Screen Protector file | Windows Screen Protector |
<ref name=“SASS” /> |
Saas stylesheet language, block-formatted with braces and semicolons to denote end-of-line | |
<ref> </ref> |
SQL Server Compact database file | Microsoft SQL Server Compact |
|
Seed7 source file | Seed7 interpreter and compiler |
|
Self Defining Structure provides for N-dimensional very large datasets using HHCode | geographic information systems and relational database management systems |
|
Spatial Data Transfer Standard | |
|
Secret key ring file | Pretty Good Privacy RSA System |
|
Self extraction directive file | IExpress |
|
Video | Tiertex video sequence |
|
JAR Digital Signature | |
|
Configuration file | emacs |
|
SFX (self-extracting archives) script | RAR |
|
Unix shell script | Unix shell interpreter |
|
Shell self-extracting archive | UNSHAR (Unix) |
|
SSI-enabled HTM file | Server Side Includes |
|
SSI-enabled HTML file | Server Side Includes |
|
Shape entities ESRI shapefile | AutoCAD ArcGIS |
|
Signature file | gpg, PopMail, ThunderByte AntiVirus |
|
S-Lang source code file | |
|
SMALLTALK source code file | |
|
Secret Maryo Chronicles Level | Secret Maryo Chronicles |
|
Smacker video Format (RAD Video) | |
|
SNOBOL4 source code file | |
|
shared object, dynamically linked library | Unix, Linux |
|
data | SQR Portable Format |
<ref> </ref> |
Still Picture Interchange File Format | |
|
Spin source file | Parallax Propeller Microcontrollers |
|
SPSS program file (text) | PSPP, SPSS |
|
SPITBOL source code file | |
<ref name=“ogg-mime”> </ref><ref name=“iana”> </ref> |
Ogg Speex bitstream | Xiph.Org Foundation |
|
Crestron SIMPL Windows compiled program (ZIP format) | Crestron SIMPL Windows |
|
Structured Query Language | Any SQL database |
|
Celestia Solar System Catalog file | Celestia |
|
Stellarium Script | Stellarium |
|
SMALLTALK source code file | Little Smalltalk |
|
Celestia Star Catalog file | Celestia |
|
OpenOffice.org XML spreadsheet template | OpenOffice.org Calc |
|
OpenOffice.org XML drawing template | OpenOffice.org Draw |
|
OpenOffice.org XML presentation template | OpenOffice.org Impress |
<ref name=“jalview-fileformats”> </ref> |
Stockholm multiple sequence alignment | Bioinformatics tools eg HMMER, Xrate, Jalview |
STL | surface geometry of a three-dimensional object | software by 3D Systems |
|
SSI-enabled HTML file | Server Side Includes |
<ref name=“jalview-fileformats” /> |
Stockholm multiple sequence alignment | Bioinformatics tools eg HMMER, Xrate, Jalview |
|
Standard for the Exchange of Product Data | universal format for CAD exchange per ISO 10303 |
|
OpenOffice.org XML text document template | OpenOffice.org Writer |
|
Surface topography (in native “SURF” format) | MountainsMap |
|
Represents the ServiceHost instance hosted by Internet Information Services | Windows Communication Foundation |
|
Scalable Vector Graphics | many |
<ref name=“swfspec10”> </ref> |
Shockwave Flash | Macromedia, Adobe Flash Player |
|
SWIG source code | SWIG |
|
Swift source code | Swift (programming language) |
|
split Windows Imaging Format | ImageX, DISM, 7-Zip, wimlib |
|
OpenOffice.org XML spreadsheet | OpenOffice.org Calc |
|
OpenOffice.org XML drawing | OpenOffice.org Draw |
|
OpenOffice.org XML master document | |
|
OpenOffice.org XML presentation | OpenOffice.org Impress |
|
OpenOffice.org XML formula | OpenOffice.org Calc |
|
3DS Process file | 3D Studio |
|
OpenOffice.org XML text document | OpenOffice.org Writer |
SYLK | Symbolic Link (SYLK) file | Windows |
SYMBOLICLINK | Replace file for a symbolic link | Unix-like OSs |
Ext. | Description | Used by |
---|---|---|
|
Audio codec, Lossless audio file format | Winamp (+Plugin), foobar2000 (+Plugin), Media Player Classic - BE |
|
tar archive | tar, many file archivers with TAR support |
|
compressed tar archive | tar, many file archivers with TAR and COMPRESS support |
TC | Theme Colour file | Saturn CMS |
|
Truevision Advanced Raster Graphics Adapter image | |
THM | Thumbnail File | GoPro Android (not every) iOS (Accessible via computer or Jailbreak, on User/Media/PhotoData/Metadata/DCIM) |
|
See TIFF | |
|
Tag Image File Format image | |
<ref> </ref> |
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. |
TMP<ref>
</ref> |
Temporary file | |
<ref name=“bep0003”> </ref> |
Torrent file | BitTorrent clients (various) |
|
MPEG transport stream | Video broadcasting, digital video cameras |
TS<ref name=typescript>
</ref> |
TypeScript | |
<ref name=IANA> </ref> |
Tab-separated values | |
|
TrueType Font collection | |
|
TrueType Font file |
Ext. | Description | Used by |
---|---|---|
|
Espire source code file | Geoworks UI Compiler Geos |
|
Qt Designer's UI File | Trolltech Qt Designer |
|
Umple UML Programming Language Format | Umple |
|
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 |
|
Uniform Office Format spreadsheet | |
|
Uniform Office Format text | |
UPS | ROM patch file | |
|
Remote file shortcut | Microsoft Windows |
USDZ | Augmented Reality (AR) File | Apple, Pixar |
UST | Vocal synthesis track data | UTAU |
|
datafile | uTorrent |
Ext. | Description | Used by |
---|---|---|
|
Coq source file | |
|
Verilog source file | |
|
vvvv patch | vvvv |
|
Visual Basic .Net source file | Visual Basic .NET |
<ref> </ref> |
virtual machine settings file (in XML format) | VirtualBox |
<ref> </ref> |
VirtualBox extension package | VirtualBox |
|
Visual Basic .Net project file | Visual Basic .Net Express and Visual Studio 2003-2010 Project |
|
Visual Basic Custom Control file | Visual Basic |
|
VBScript script file | VBScript |
|
Visual Basic eXtension | Visual Basic |
|
Graphite - 2D and 3D drafting | Ashlar-Vellum |
|
VocaListener voice scanner file | VocaListener Plug-in (Vocaloid3) |
|
Targa bitmap graphics | many raster graphics editors |
|
Virtual Disk Image | VirtualBox |
|
Visio web drawing | Microsoft Visio |
|
Visio XML drawing | Microsoft Visio |
|
Virtual Floppy Disk | Windows Virtual PC (among others) |
VI | Virtual Instrument | LabVIEW |
|
Hyper-V Exported Virtual Machine | Microsoft |
<ref name=“vmdk-disk-format”> </ref> |
Virtual Disk file | VMware |
|
Nokia message file format | Text Message Editor (Nokia PC Suite) |
<ref name=“dvd-book”>DVD FLLC (2009-02) DVD Book Construction - list of all available DVD Books, Retrieved on 2009-07-24</ref><ref name=“dvd-books”>DVD FLLC DVD Format Book - History of Supplements for DVD Books, Retrieved on 2009-07-24</ref> |
Video Object | DVD-R, DVD-RW |
|
Valve package | Source engine games |
|
Garmin Voice Processing Module | |
|
Visual Paradigm Project | Visual Paradigm for UML |
VPR | Vocal synthesizer track data | Vocaloid 5 |
|
Hardware description language | Altera |
|
LateX Beamer file containing verbatim commands | LaTeX Beamer |
|
Veeam reversed incremental backup archive | Veeam software |
|
Vellum Solids | Ashlar-Vellum |
|
Visio drawing | Microsoft Visio |
<ref> </ref> |
Visio drawing | Microsoft Visio |
|
Visual Simulation Model | VisSim |
|
Vocal synthesizer track data | Vocaloid 2 |
VSQx | Vocal synthesizer track data | Vocaloid 3, Vocaloid 4 |
|
Truevision Vista graphics | many raster graphics editors |
|
Microsoft Office add-in file | Microsoft Visual Studio |
|
VisualSVN Server repository backup | VisualSVN Server |
|
Valve Texture Format file<ref>
</ref> |
Valve Corporation |
|
Visual Understanding Environment map | Visual Understanding Environment |
VVVVVV | VVVVVV map file | VVVVVV |
Ext. | Description | Used by |
---|---|---|
|
Sound format (Microsoft Windows RIFF WAVE) | Media Player |
|
Royalty-free video/audio container | HTML5 |
|
Game save file for The Witness | The Witness |
|
Spreadsheet | Lotus 1-2-3 version 2.x - Lotus Symphony 1.1+ |
|
Spreadsheet | Lotus 1-2-3 version 3.x |
|
Spreadsheet | Lotus 1-2-3 version 1A - Lotus Symphony 1.0, Microsoft Works |
WLMP | Windows Live Moviemaker Project, contains paths from where the images/audios/videos of the project are located | Windows Live Movie Maker<ref>
</ref> |
|
Windows Media Audio file Advanced Systems Format | |
|
Windows Media Player database | Windows Media Player |
|
Windows MetaFile vector graphics | |
|
Windows Media Video file Advanced Systems Format | |
|
WoS bibliographic reference file | ISI/Clarivate Analytics |
Ext. | Description | Used by |
---|---|---|
|
LEX source code file | |
|
XBasic Source code file | Xbasic |
|
x3d and xdart Formats | |
|
Xara graphics file | Files created by Xara Photo & Graphic Designer (formerly Xara Xtreme and Xara Studio); early versions used the extension ART |
|
eXtensible ARchive | xar, 7-Zip |
|
eXtensible Business Reporting Language instance file | eXtensible Business Reporting Language |
|
Gimp image file | GNU Image Manipulation Program |
|
Directory Manipulator for 32-bit Protected Mode | Xenotech Research Labs |
|
Xenon - for Associative 3D Modeling | Ashlar-Vellum |
|
Xbox 360 Executable File | |
<ref> </ref> |
Microsoft Excel Spreadsheet | Microsoft Excel |
|
Microsoft Excel 2007 Binary Workbook (BIFF12)(Spreadsheets) | Microsoft Excel 2007 (see Microsoft Office 2007 file extensions) |
|
Microsoft Excel 2007 Macro-Enabled Workbook (Spreadsheets) | Microsoft Excel 2007 (see Microsoft Office 2007 file extensions) |
<ref> </ref> |
Office Open XML Workbook (Spreadsheets) | Microsoft Excel 2007 (see Microsoft Office 2007 file extensions) |
|
FastTracker 2 extended module | AWAVE, Mod4Win, FastTracker, ImpulseTracker |
|
eXtensible Markup Language file | |
|
eXtensible Music Format | |
|
eXtended Pattern | FastTracker 2 |
|
X-Plane system file | Laminar research |
|
Open XML Paper Specification / OpenXPS | open standard document format initially created by Microsoft and similar in concept to Adobe PDF files |
<ref> </ref><ref> </ref> |
XML schema description | |
|
data | Microsoft InfoPath file |
<ref name=“XSL”> </ref> |
XSL Stylesheet | |
<ref name=“XSL” /> |
XSLT file | |
|
Microsoft InfoPath template | Microsoft InfoPath |
|
XML Sharable Playlist Format | |
|
XX-encoded file (ASCII) | XXDECODE |
|
XX-encoded file (ASCII) | XXDECODE |
|
Singer Embroidery Format | Embroidermodder |
|
Molecular coordinates | XMol, RasMol |
|
a lossless data compression file format incorporating the LZMA/LZMA2 compression algorithms. | xz |
Ext. | Description | Used by |
---|---|---|
|
YACC grammar file | Yacc/Bison |
<ref> </ref> |
YML markup file | domain specific language output to XML |
<ref name=“YAML Version 1.2”> </ref> |
YAML source file | YAML (data serialization language) |
Ext. | Description | Used by |
---|---|---|
<ref> </ref> |
Zip (file format) | PKZip - WinZip - Mac OS X |
|
REXX scripting language for ZOC_(software) | ZOC terminal emulator |
|
Script for Minecraft mod MineTweaker<ref>
</ref> and CraftTweaker<ref> </ref> |
Minecraft Mods |
Lists of filename extensions include:
- List of filename extensions (0–9)
- List of filename extensions (A–E)
- List of filename extensions (F–L)
- List of filename extensions (M–R)
- List of filename extensions (S–Z)