Common File Types

These are some common file types you might run into on a day to day basis.

    Text Files

  • .PAGES, Pages Document

  • .RTF, Rich Text Format File

  • .TEX, LaTeX Source Document

  • .TXT, Plain Text File

  • .DOC, Microsoft Word Document

  • .DOCX, Microsoft Word Open XML Document

  • .LOG, Log File

  • .MSG, Outlook Mail Message

  • .ODT, OpenDocument Text Document

  • .WPD, WordPerfect Document

  • .WPS, Microsoft Works Word Processor Document

    Data Files

  • .CSV, Comma Separated Values File

  • .DAT, Data File

  • .TAX2016, TurboTax 2016 Tax Return (current year when file was created ie .tax2017)

  • .QBW, Quickbooks File

  • .QBB, Quickbooks Backup File

  • .ADR, Quickbooks Auto Recovery File

  • .TLG, Quickbooks Non-Committed Transaction Logs

  • .GED, GEDCOM Genealogy Data File

  • .KEY, Keynote Presentation

  • .KEYCHAIN, Mac OS X Keychain File

  • .PPS, PowerPoint Slide Show

  • .PPT, PowerPoint Presentation

  • .PPTX, PowerPoint Open XML Presentation

  • .SDF, Standard Data File

  • .TAR, Consolidated Unix File Archive

  • .VCF, vCard File

  • .XML, XML File

    Audio Files

  • .MP3, MP3 Audio File

  • .MPA, MPEG-2 Audio File

  • .WAV, WAVE Audio File

  • .WMA, Windows Media Audio File

  • .AIF, Audio Interchange File Format

  • .IFF, Interchange File Format

  • .M3U, Media Playlist File

  • .M4A, MPEG-4 Audio File

  • .MID, MIDI File

  • .OGG, Vorbis OGG

    Video Files

  • .3G2, 3GPP2 Multimedia File

  • .3GP, 3GPP Multimedia File

  • .M4V, iTunes Video File

  • .MOV, Apple QuickTime Movie

  • .MP4, MPEG-4 Video File

  • .MPG, MPEG Video File

  • .ASF, Advanced Systems Format File

  • .AVI, Audio Video Interleave File

  • .FLV, Animate Video File

  • .RM, RealMedia File

  • .SRT, SubRip Subtitle File

  • .SWF, Shockwave Flash Movie

  • .VOB, DVD Video Object File

  • .WMV, Windows Media Video File

    3D Files

  • .OBJ, Wavefront 3D Object File

  • .STL, Common 3d File

  • .3DM, Rhino 3D Model

  • .3DS, 3D Studio Scene

  • .MAX, 3ds Max Scene File

    Raster Image Files

  • .PSD, Adobe Photoshop Document

  • .PSPIMAGE, PaintShop Pro Image

  • .BMP, Bitmap Image File

  • .DDS, DirectDraw Surface

  • .GIF, Graphical Interchange Format File

  • .JPG, JPEG Image

  • .PNG, Portable Network Graphic

  • .TGA, Targa Graphic

  • .THM, Thumbnail Image File

  • .TIF, Tagged Image File

  • .TIFF, Tagged Image File Format

  • .YUV, YUV Encoded Image File

    Vector Image Files

  • .AI, Adobe Illustrator File

  • .EPS, Encapsulated PostScript File

  • .PS, PostScript File

  • .SVG, Scalable Vector Graphics File | Inkscape

    Page Layout Files

  • .INDD, Adobe InDesign Document

  • .PCT, Picture File

  • .PDF, Portable Document Format File

  • Spreadsheet Files,

  • .XLR, Works Spreadsheet

  • .XLS, Excel Spreadsheet

  • .XLSX, Microsoft Excel Open XML Spreadsheet

  • .ODS, Open Office Calc Spreadsheet

  • .NUMBERS, NumbersSpreadsheet

    Database Files

  • .MDB, Microsoft Access Database

  • .PDB, Program Database

  • .SQL, Structured Query Language Data File

  • .ACCDB, Access 2007 Database File

  • .DB, Database File

  • .DBF, Database File

  • .SQLITE, SQLite Database

    Executable Files

  • .EXE, Windows Executable File

  • .GADGET, Windows Gadget

  • .JAR, Java Archive File

  • .APK, Android Package File

  • .APP, Mac OS X Application

  • .BAT, DOS Batch File

  • .CGI, Common Gateway Interface Script

  • .COM, DOS Command File

  • .WSF, Windows Script File

    CAD Files

  • .DWG, AutoCAD Drawing Database File

  • .DXF, Drawing Exchange Format File

  • .3DS, 3D Studio

  • .F3D, Autodesk Fusion 360

  • .IPT, Autodesk Inventor

  • .STEP, Export format

  • .IGES, Export format

  • .OBJ, Export format

  • .FCSTD, FreeCAD

  • .SCAD, OpenSCAD

    GIS Files

  • .GPX, GPS Exchange File

  • .KML, Keyhole Markup Language File

  • .KMZ, Google Earth Place-mark File

    Web Files

  • .PY, Django etc

  • .HTM, Hypertext Markup Language File

  • .HTML, Hypertext Markup Language File

  • .JS, JavaScript File

  • .JSP, Java Server Page

  • .PHP, PHP Source Code File

  • .RSS, Rich Site Summary

  • .ASP, Active Server Page

  • .ASPX, Active Server Page Extended File

  • .CER, Internet Security Certificate

  • .CFM, ColdFusion Markup File

  • .CSR, Certificate Signing Request File

  • .CSS, Cascading Style Sheet

  • .XHTML, Extensible Hypertext Markup Language File

    Plugin Files

  • .CRX, Chrome Extension

  • .PLUGIN, Mac OS X Plugin

    Font Files

  • .OTF, OpenType Font

  • .TTF, TrueType Font

  • .FNT, Windows Font File

  • .FON, Generic Font File

    System Files

  • .CAB, Windows Cabinet File

  • .PST, Outlook File

  • .CPL, Windows Control Panel Item

  • .CUR, Windows Cursor

  • .DLL, Dynamic Link Library

  • .DMP, Windows Memory Dump

  • .DRV, Device Driver

  • .ICNS, Mac OS X Icon Resource File

  • .ICO, Icon File

  • .LNK, Windows File Shortcut

  • .SYS, Windows System File

    Settings Files

  • .CFG, Configuration File

  • .INI, Windows Initialization File

  • .PRF, Outlook Profile File

    Encoded Files

  • .HQX, BinHex 4.0 Encoded File

  • .MIM, Multi-Purpose Internet Mail Message File

  • .UUE, Uuencoded File

    Compressed Files

  • .7Z, 7-Zip Compressed File

  • .CBR, Comic Book RAR Archive

  • .RPM, Red Hat Package Manager File

  • .SITX, StuffIt X Archive

  • .TAR.GZ, Compressed Tarball File

  • .ZIP, Zipped File

  • .ZIPX, Extended Zip File

  • .DEB, Debian Software Package

  • .GZ, Gnu Zipped Archive

  • .PKG, Mac OS X Installer Package

  • .RAR, WinRAR Compressed Archive

    Disk Image Files

  • .BIN, Binary Disc Image

  • .CUE, Cue Sheet File

  • .DMG, Mac OS X Disk Image

  • .ISO, Disc Image File

  • .MDF, Media Disc Image File

  • .TOAST, Toast Disc Image

  • .VCD, Virtual CD

    Programing Files

  • .DTD, Document Type Definition File

  • .FLA, Adobe Animate Animation

  • .H, C/C++/Objective-C Header File

  • .JAVA, Java Source Code File

  • .LUA, Lua Source File

  • .C, C/C++ Source Code File

  • .CLASS, Java Class File

  • .CPP, C++ Source Code File

  • .CS, Visual C# Source Code File

  • .M, Objective-C Implementation File

  • .PL, Perl Script

  • .PY, Python Script

  • .SH, Bash Shell Script

  • .SLN, Visual Studio Solution File

  • .SWIFT, Swift Source Code File

  • .VB, Visual Basic Project Item File

  • .VCXPROJ, Visual C++ Project

  • .XCODEPROJ, Xcode Project

    Backup Files

  • .BAK, Backup File

  • .TMP, Temporary File

    Misc Files

  • .ICS, Calendar File

  • .MSI, Windows Installer Package

  • .PART, Partially Downloaded File

  • .TORRENT, BitTorrent File

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