Common File Types
Common file extensions that are good to know, organized by file format.
Text Files
Extension | File Type |
---|---|
.DOC | Microsoft Word Document (Legacy) |
.DOCX | Microsoft Word Document |
.EML | E-Mail Message |
.MSG | Outlook Message Item File |
.ODT | OpenDocument Text Document |
.PAGES | Apple Pages Document |
.RTF | Rich Text Format File |
.TEX | LaTeX Source Document |
.TXT | Plain Text File |
.WPD | WordPerfect Document |
Data Files
Extension | File Type |
---|---|
.AAE | Sidecar Image Edit File |
.BIN | Generic Binary File |
.CSV | Comma-Separated Values File |
.DAT | Data File |
.KEY | Apple Keynote Presentation |
.LOG | Log File |
.MPP | Microsoft Project File |
.OBB | Android Opaque Binary Blob File |
.PPT | Microsoft PowerPoint Presentation (Legacy) |
.PPTX | Microsoft PowerPoint Presentation |
.RPT | Crystal Reports File |
.TAR | Tape Archive |
.VCF | vCard File |
.XML | XML File |
Audio Files
Extension | File Type |
---|---|
.AIF | Audio Interchange File Format |
.FLAC | Free Lossless Audio Codec File |
.M3U | M3U Media Playlist |
.M4A | MPEG-4 Audio |
.MID | MIDI File |
.MP3 | MP3 Audio |
.OGG | Ogg Vorbis Audio |
.WAV | WAVE Audio |
.WMA | Windows Media Audio |
Video Files
Extension | File Type |
---|---|
.3GP | 3GPP Multimedia File |
.ASF | Advanced Systems Format File |
.AVI | Audio Video Interleave File |
.FLV | Flash Video |
.M4V | iTunes Video File |
.MOV | Apple QuickTime Movie |
.MP4 | MPEG-4 Video |
.MPG | MPEG Video |
.SRT | SubRip Subtitle File |
.SWF | Shockwave Flash Movie |
.TS | Video Transport Stream File |
.VOB | DVD Video Object File |
.WMV | Windows Media Video |
3D Image Files
Extension | File Type |
---|---|
.3DM | Rhino 3D Model |
.3DS | 3D Studio Scene |
.BLEND | Blender 3D Data File |
.DAE | Digital Asset Exchange File |
.FBX | Autodesk FBX Interchange File |
.MAX | 3ds Max Scene File |
.OBJ | Wavefront 3D Object File |
Raster Image Files
Extension | File Type |
---|---|
.BMP | Bitmap Image |
.DCM | DICOM Image |
.DDS | DirectDraw Surface Image |
.DJVU | DjVu Image |
.GIF | Graphical Interchange Format File |
.HEIC | High Efficiency Image Format |
.JPG | JPEG Image |
.PNG | Portable Network Graphic |
.PSD | Adobe Photoshop Document |
.TGA | Targa Graphic |
.TIF | Tagged Image File |
Vector Image Files
Extension | File Type |
---|---|
.AI | Adobe Illustrator Artwork |
.CDR | CorelDRAW File |
.EMF | Enhanced Windows Metafile |
.EPS | Encapsulated PostScript File |
.PS | PostScript File |
.SKETCH | Sketch Drawing |
.SVG | Scalable Vector Graphic |
.VSDX | Microsoft Visio Drawing |
Page Layout Files
Extension | File Type |
---|---|
.INDD | Adobe InDesign Document |
.OXPS | OpenXPS File |
Portable Document Format File | |
.PMD | PageMaker Document |
.PUB | Publisher Document |
.QXP | QuarkXPress Project File |
.XPS | XML Paper Specification File |
Spreadsheet Files
Extension | File Type |
---|---|
.NUMBERS | Apple Numbers Spreadsheet |
.ODS | OpenDocument Spreadsheet |
.XLR | Works Spreadsheet |
.XLS | Microsoft Excel Spreadsheet (Legacy) |
.XLSX | Microsoft Excel Spreadsheet |
Database Files
Extension | File Type |
---|---|
.ACCDB | Access 2007 Database |
.CRYPT14 | WhatsApp Encrypted Database File |
.DB | Database File |
.MDB | Microsoft Access Database |
.ODB | OpenDocument Database |
.PDB | Program Database |
.SQL | Structured Query Language Data File |
.SQLITE | SQLite Database |
Executable Files
Extension | File Type |
---|---|
.APK | Android Package File |
.APP | macOS Application Bundle |
.BAT | DOS Batch File |
.BIN | Unix Executable File |
.CMD | Windows Command File |
.COM | DOS Command File |
.EXE | Windows Executable File |
.IPA | iOS Application |
.JAR | Java Archive |
.RUN | Linux Executable File |
.SH | Bash Shell Script |
Game Files
Extension | File Type |
---|---|
.BIN | Sega Genesis Game ROM |
.DEM | Video Game Demo File |
.GAM | Saved Game File |
.GBA | Game Boy Advance ROM |
.NES | Nintendo Entertainment System (NES) ROM |
.PAK | Video Game Package |
.PKG | PlayStation Store Downloaded Package |
.ROM | N64 Game ROM File |
.SAV | Video Game Save File |
.SAV | Nintendo DS Save File |
CAD Files
Extension | File Type |
---|---|
.DGN | MicroStation Design |
.DWG | AutoCAD Drawing |
.DXF | Drawing Exchange Format File |
.STEP | STEP 3D Model |
.STL | Stereolithography File |
.STP | STEP 3D CAD File |
GIS Files
Extension | File Type |
---|---|
.GPX | GPS Exchange File |
.KML | Keyhole Markup Language File |
.KMZ | Google Earth Placemark File |
.OSM | OpenStreetMap Map |
Web Files
Extension | File Type |
---|---|
.ASP | Active Server Page |
.ASPX | Active Server Page Extended Webpage |
.CER | Internet Security Certificate |
.CFM | ColdFusion Markup File |
.CSR | Certificate Signing Request File |
.CSS | Cascading Style Sheet |
.HTML | Hypertext Markup Language File |
.JS | JavaScript File |
.JSON | JavaScript Object Notation File |
.JSP | Jakarta Server Page |
.PHP | PHP Source Code File |
.XHTML | Extensible Hypertext Markup Language File |
Plugin Files
Extension | File Type |
---|---|
.CRX | Chromium Extension |
.ECF | Outlook Add-in |
.PLUGIN | Adobe Photoshop Plug-in |
.SAFARIEXTZ | Apple Safari Extension |
.XPI | Cross-platform Installer Package |
Font Files
Extension | File Type |
---|---|
.FNT | Windows Font File |
.OTF | OpenType Font |
.TTF | TrueType Font |
.WOFF | Web Open Font Format File |
.WOFF2 | Web Open Font Format 2.0 File |
System Files
Extension | File Type |
---|---|
.ANI | Windows Animated Cursor |
.CAB | Windows Cabinet File |
.CPL | Windows Control Panel Item |
.CUR | Windows Cursor Image |
.DESKTHEMEPACK | Windows 8 Desktop Theme Pack File |
.DLL | Dynamic Link Library |
.DMP | Windows Memory Dump |
.DRV | Device Driver |
.ICNS | macOS Icon Resource |
.ICO | Icon File |
.LNK | Windows Shortcut |
.REG | Registry File |
.SYS | Windows System File |
Settings Files
Extension | File Type |
---|---|
.CFG | Configuration File |
.INI | Windows Initialization File |
.PKG | Symbian Package File |
.PRF | Outlook Profile File |
.SET | Settings File |
Encoded Files
Extension | File Type |
---|---|
.ASC | PGP ASCII Armored File |
.BIN | MacBinary Encoded File |
.ENC | Encoded File |
.MIM | Multi-Purpose Internet Mail Message File |
.UUE | Uuencoded File |
Compressed Files
Extension | File Type |
---|---|
.7Z | 7-Zip Compressed File |
.CBR | Comic Book RAR Archive |
.DEB | Debian Software Package |
.GZ | Gnu Zipped Archive |
.PKG | macOS Installer Package |
.RAR | WinRAR Compressed Archive |
.RPM | Red Hat Package Manager File |
.TAR.GZ | Compressed Tarball File |
.XAPK | Compressed Android Package |
.ZIP | Zipped File |
.ZIPX | Extended Zip Archive |
Disk Image Files
Extension | File Type |
---|---|
.BIN | Binary Disc Image |
.DMG | Apple Disk Image |
.IMG | Disc Image Data File |
.ISO | Disk Image File |
.MDF | Media Disc Image File |
.ROM | Read Only Memory Image |
.VCD | Virtual CD |
Developer Files
Extension | File Type |
---|---|
.APPX | Windows App Package |
.C | C/C++ Source Code File |
.CLASS | Java Class File |
.CONFIG | Configuration File |
.CPP | C++ Source Code File |
.CS | C# Source Code File |
.H | C/C++/Objective-C Header File |
.JAVA | Java Source Code File |
.KT | Kotlin Source Code File |
.LUA | Lua Source Code |
.M | Objective-C Implementation File |
.MD | Markdown Documentation File |
.PL | Perl Script |
.PY | Python Script |
.SB3 | Scratch 3.0 Project |
.SLN | Visual Studio Solution File |
.SWIFT | Swift Source Code File |
.UNITY | Unity Scene File |
.VB | Visual Basic Project Item File |
.VCXPROJ | Visual C++ Project |
.XCODEPROJ | Xcode Project |
.YML | YAML Document |
Backup Files
Extension | File Type |
---|---|
.ABK | Automatic Backup File |
.ARC | Norton Backup Archive |
.BAK | Backup File |
.TMP | Temporary File |
Misc Files
Extension | File Type |
---|---|
.CRDOWNLOAD | Chrome Partially Downloaded File |
.ICS | Calendar File |
.MSI | Windows Installer Package |
.NOMEDIA | Android No Media File |
.PART | Partially Downloaded File |
.PKPASS | Apple Wallet Pass |
.TORRENT | BitTorrent File |