Commonly Used File Types & File Extensions | Home Trainer
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Home Trainer [Admin]
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June 11, 2018
Common file extensions that are good to know, organized by file format.
Text Files
.DOC
Microsoft Word Document
.DOCX
Microsoft Word Open XML Document
.LOG
Log File
.MSG
Outlook Mail Message
.ODT
OpenDocument Text Document
.PAGES
Pages Document
.RTF
Rich Text Format File
.TEX
LaTeX Source Document
.TXT
Plain Text File
.WPD
WordPerfect Document
.WPS
Microsoft Works Word Processor Document
Data Files
.CSV
Comma Separated Values File
.DAT
Data File
.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
.TAX2016
TurboTax 2016 Tax Return
.TAX2017
TurboTax 2017 Tax Return
.VCF
vCard File
.XML
XML File
Audio Files
.AIF
Audio Interchange File Format
.IFF
Interchange File Format
.M3U
Media Playlist File
.M4A
MPEG-4 Audio File
.MID
MIDI File
.MP3
MP3 Audio File
.MPA
MPEG-2 Audio File
.WAV
WAVE Audio File
.WMA
Windows Media Audio File
Video Files
.3G2
3GPP2 Multimedia File
.3GP
3GPP Multimedia File
.ASF
Advanced Systems Format File
.AVI
Audio Video Interleave File
.FLV
Animate Video File
.M4V
iTunes Video File
.MOV
Apple QuickTime Movie
.MP4
MPEG-4 Video File
.MPG
MPEG Video File
.RM
RealMedia File
.SRT
SubRip Subtitle File
.SWF
Shockwave Flash Movie
.VOB
DVD Video Object File
.WMV
Windows Media Video File
3D Image Files
.3DM
Rhino 3D Model
.3DS
3D Studio Scene
.MAX
3ds Max Scene File
.OBJ
Wavefront 3D Object File
Raster Image Files
.BMP
Bitmap Image File
.DDS
DirectDraw Surface
.GIF
Graphical Interchange Format File
.JPG
JPEG Image
.PNG
Portable Network Graphic
.PSD
Adobe Photoshop Document
.PSPIMAGE
PaintShop Pro Image
.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
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
Database Files
.ACCDB
Access 2007 Database File
.DB
Database File
.DBF
Database File
.MDB
Microsoft Access Database
.PDB
Program Database
.SQL
Structured Query Language Data File
Executable Files
.APK
Android Package File
.APP
Mac OS X Application
.BAT
DOS Batch File
.CGI
Common Gateway Interface Script
.COM
DOS Command File
.EXE
Windows Executable File
.GADGET
Windows Gadget
.JAR
Java Archive File
.WSF
Windows Script File
Game Files
.B
Grand Theft Auto 3 Saved Game File
.DEM
Video Game Demo File
.GAM
Saved Game File
.NES
Nintendo (NES) ROM File
.ROM
N64 Game ROM File
.SAV
Saved Game
CAD Files
.DWG
AutoCAD Drawing Database File
.DXF
Drawing Exchange Format File
GIS Files
.GPX
GPS Exchange File
.KML
Keyhole Markup Language File
.KMZ
Google Earth Placemark File
Web Files
.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
.DCR
Shockwave Media File
.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
.XHTML
Extensible Hypertext Markup Language File
Plugin Files
.CRX
Chrome Extension
.PLUGIN
Mac OS X Plugin
Font Files
.FNT
Windows Font File
.FON
Generic Font File
.OTF
OpenType Font
.TTF
TrueType Font
System Files
.CAB
Windows Cabinet File
.CPL
Windows Control Panel Item
.CUR
Windows Cursor
.DESKTHEMEPACK
Windows 8 Desktop Theme Pack File
.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
.DEB
Debian Software Package
.GZ
Gnu Zipped Archive
.PKG
Mac OS X Installer Package
.RAR
WinRAR Compressed Archive
.RPM
Red Hat Package Manager File
.SITX
StuffIt X Archive
.TAR.GZ
Compressed Tarball File
.ZIP
Zipped File
.ZIPX
Extended Zip File
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
Developer Files
.C
C/C++ Source Code File
.CLASS
Java Class File
.CPP
C++ Source Code File
.CS
C# Source Code File
.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
.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
.CRDOWNLOAD
Chrome Partially Downloaded File
.ICS
Calendar File
.MSI
Windows Installer Package
.PART
Partially Downloaded File
.TORRENT
BitTorrent File
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