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
.LOG	Log File
.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

See all text file types

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
.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

See all data file types

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

See all audio file types

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

See all video file types

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

See all 3d image file types

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

See all raster image file types

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

See all vector image file types

Page Layout Files

Extension	File Type
.INDD	Adobe InDesign Document
.OXPS	OpenXPS File
.PDF	Portable Document Format File
.PMD	PageMaker Document
.PUB	Publisher Document
.QXP	QuarkXPress Project File
.XPS	XML Paper Specification File

See all page layout file types

Spreadsheet Files

Extension	File Type
.NUMBERS	Apple Numbers Spreadsheet
.ODS	OpenDocument Spreadsheet
.XLR	Works Spreadsheet
.XLS	Microsoft Excel Spreadsheet (Legacy)
.XLSX	Microsoft Excel Spreadsheet

See all spreadsheet file types

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

See all database file types

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

See all executable file types

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

See all game file types

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

See all cad file types

GIS Files

Extension	File Type
.GPX	GPS Exchange File
.KML	Keyhole Markup Language File
.KMZ	Google Earth Placemark File
.OSM	OpenStreetMap Map

See all gis file types

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

See all web file types

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

See all plugin file types

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

See all font file types

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

See all system file types

Settings Files

Extension	File Type
.CFG	Configuration File
.INI	Windows Initialization File
.PKG	Symbian Package File
.PRF	Outlook Profile File
.SET	Settings File

See all settings file types

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

See all encoded file types

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

See all compressed file types

Disk Image Files

Extension	File Type
.BIN	Binary Disc Image
.DMG	Apple Disk Image
.IMG	Disc Image Data File
.ISO	Disc Image File
.MDF	Media Disc Image File
.ROM	Read Only Memory Image
.VCD	Virtual CD

See all disk image file types

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

See all developer file types

Backup Files

Extension	File Type
.ABK	Automatic Backup File
.ARC	Norton Backup Archive
.BAK	Backup File
.TMP	Temporary File

See all backup file types

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

See all misc file types