Common File Types

Common file extensions that are good to know, organized by file format.

Text Files

Extension File Type
.DOCMicrosoft Word Document (Legacy)
.DOCXMicrosoft Word Document
.EMLE-Mail Message
.LOGLog File
.MSGOutlook Message Item File
.ODTOpenDocument Text Document
.PAGESApple Pages Document
.RTFRich Text Format File
.TEXLaTeX Source Document
.TXTPlain Text File
.WPDWordPerfect Document
See all text file types

Data Files

Extension File Type
.AAESidecar Image Edit File
.BINGeneric Binary File
.CSVComma-Separated Values File
.DATData File
.KEYApple Keynote Presentation
.MPPMicrosoft Project File
.OBBAndroid Opaque Binary Blob File
.PPTMicrosoft PowerPoint Presentation (Legacy)
.PPTXMicrosoft PowerPoint Presentation
.RPTCrystal Reports File
.TARTape Archive
.VCFvCard File
See all data file types

Audio Files

Extension File Type
.AIFAudio Interchange File Format
.FLACFree Lossless Audio Codec File
.M3UM3U Media Playlist
.M4AMPEG-4 Audio
.MP3MP3 Audio
.OGGOgg Vorbis Audio
.WMAWindows Media Audio
See all audio file types

Video Files

Extension File Type
.3GP3GPP Multimedia File
.ASFAdvanced Systems Format File
.AVIAudio Video Interleave File
.FLVFlash Video
.M4ViTunes Video File
.MOVApple QuickTime Movie
.MP4MPEG-4 Video
.SRTSubRip Subtitle File
.SWFShockwave Flash Movie
.TSVideo Transport Stream File
.VOBDVD Video Object File
.WMVWindows Media Video
See all video file types

3D Image Files

Extension File Type
.3DMRhino 3D Model
.3DS3D Studio Scene
.BLENDBlender 3D Data File
.DAEDigital Asset Exchange File
.FBXAutodesk FBX Interchange File
.MAX3ds Max Scene File
.OBJWavefront 3D Object File
See all 3d image file types

Raster Image Files

Extension File Type
.BMPBitmap Image
.DDSDirectDraw Surface Image
.DJVUDjVu Image
.GIFGraphical Interchange Format File
.HEICHigh Efficiency Image Format
.PNGPortable Network Graphic
.PSDAdobe Photoshop Document
.TGATarga Graphic
.TIFTagged Image File
See all raster image file types

Vector Image Files

Extension File Type
.AIAdobe Illustrator Artwork
.CDRCorelDRAW File
.EMFEnhanced Windows Metafile
.EPSEncapsulated PostScript File
.PSPostScript File
.SKETCHSketch Drawing
.SVGScalable Vector Graphic
.VSDXMicrosoft Visio Drawing
See all vector image file types

Page Layout Files

Extension File Type
.INDDAdobe InDesign Document
.PDFPortable Document Format File
.PMDPageMaker Document
.PUBPublisher Document
.QXPQuarkXPress Project File
.XPSXML Paper Specification File
See all page layout file types

Spreadsheet Files

Extension File Type
.NUMBERSApple Numbers Spreadsheet
.ODSOpenDocument Spreadsheet
.XLRWorks Spreadsheet
.XLSMicrosoft Excel Spreadsheet (Legacy)
.XLSXMicrosoft Excel Spreadsheet
See all spreadsheet file types

Database Files

Extension File Type
.ACCDBAccess 2007 Database
.CRYPT14WhatsApp Encrypted Database File
.DBDatabase File
.MDBMicrosoft Access Database
.ODBOpenDocument Database
.PDBProgram Database
.SQLStructured Query Language Data File
.SQLITESQLite Database
See all database file types

Executable Files

Extension File Type
.APKAndroid Package File
.APPmacOS Application Bundle
.BATDOS Batch File
.BINUnix Executable File
.CMDWindows Command File
.COMDOS Command File
.EXEWindows Executable File
.IPAiOS Application
.JARJava Archive
.RUNLinux Executable File
.SHBash Shell Script
See all executable file types

Game Files

Extension File Type
.BINSega Genesis Game ROM
.DEMVideo Game Demo File
.GAMSaved Game File
.GBAGame Boy Advance ROM
.NESNintendo Entertainment System (NES) ROM
.PAKVideo Game Package
.PKGPlayStation Store Downloaded Package
.ROMN64 Game ROM File
.SAVVideo Game Save File
.SAVNintendo DS Save File
See all game file types

CAD Files

Extension File Type
.DGNMicroStation Design
.DWGAutoCAD Drawing
.DXFDrawing Exchange Format File
.STLStereolithography File
See all cad file types

GIS Files

Extension File Type
.GPXGPS Exchange File
.KMLKeyhole Markup Language File
.KMZGoogle Earth Placemark File
.OSMOpenStreetMap Map
See all gis file types

Web Files

Extension File Type
.ASPActive Server Page
.ASPXActive Server Page Extended Webpage
.CERInternet Security Certificate
.CFMColdFusion Markup File
.CSRCertificate Signing Request File
.CSSCascading Style Sheet
.HTMLHypertext Markup Language File
.JSJavaScript File
.JSONJavaScript Object Notation File
.JSPJakarta Server Page
.PHPPHP Source Code File
.XHTMLExtensible Hypertext Markup Language File
See all web file types

Plugin Files

Extension File Type
.CRXChromium Extension
.ECFOutlook Add-in
.PLUGINAdobe Photoshop Plug-in
.SAFARIEXTZApple Safari Extension
.XPICross-platform Installer Package
See all plugin file types

Font Files

Extension File Type
.FNTWindows Font File
.OTFOpenType Font
.TTFTrueType Font
.WOFFWeb Open Font Format File
.WOFF2Web Open Font Format 2.0 File
See all font file types

System Files

Extension File Type
.ANIWindows Animated Cursor
.CABWindows Cabinet File
.CPLWindows Control Panel Item
.CURWindows Cursor Image
.DESKTHEMEPACKWindows 8 Desktop Theme Pack File
.DLLDynamic Link Library
.DMPWindows Memory Dump
.DRVDevice Driver
.ICNSmacOS Icon Resource
.ICOIcon File
.LNKWindows Shortcut
.REGRegistry File
.SYSWindows System File
See all system file types

Settings Files

Extension File Type
.CFGConfiguration File
.INIWindows Initialization File
.PKGSymbian Package File
.PRFOutlook Profile File
.SETSettings File
See all settings file types

Encoded Files

Extension File Type
.ASCPGP ASCII Armored File
.BINMacBinary Encoded File
.ENCEncoded File
.MIMMulti-Purpose Internet Mail Message File
.UUEUuencoded File
See all encoded file types

Compressed Files

Extension File Type
.7Z7-Zip Compressed File
.CBRComic Book RAR Archive
.DEBDebian Software Package
.GZGnu Zipped Archive
.PKGmacOS Installer Package
.RARWinRAR Compressed Archive
.RPMRed Hat Package Manager File
.TAR.GZCompressed Tarball File
.XAPKCompressed Android Package
.ZIPZipped File
.ZIPXExtended Zip Archive
See all compressed file types

Disk Image Files

Extension File Type
.BINBinary Disc Image
.DMGApple Disk Image
.IMGDisc Image Data File
.ISODisc Image File
.MDFMedia Disc Image File
.ROMRead Only Memory Image
.VCDVirtual CD
See all disk image file types

Developer Files

Extension File Type
.APPXWindows App Package
.CC/C++ Source Code File
.CLASSJava Class File
.CONFIGConfiguration File
.CPPC++ Source Code File
.CSC# Source Code File
.HC/C++/Objective-C Header File
.JAVAJava Source Code File
.KTKotlin Source Code File
.LUALua Source Code
.MObjective-C Implementation File
.MDMarkdown Documentation File
.PLPerl Script
.PYPython Script
.SB3Scratch 3.0 Project
.SLNVisual Studio Solution File
.SWIFTSwift Source Code File
.UNITYUnity Scene File
.VBVisual Basic Project Item File
.VCXPROJVisual C++ Project
.XCODEPROJXcode Project
.YMLYAML Document
See all developer file types

Backup Files

Extension File Type
.ABKAutomatic Backup File
.ARCNorton Backup Archive
.BAKBackup File
.TMPTemporary File
See all backup file types

Misc Files

Extension File Type
.CRDOWNLOADChrome Partially Downloaded File
.ICSCalendar File
.MSIWindows Installer Package
.NOMEDIAAndroid No Media File
.PARTPartially Downloaded File
.PKPASSApple Wallet Pass
.TORRENTBitTorrent File
See all misc file types