List of File Formats (File Extensions)

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1. Audio

  • .aif – AIF audio file .
  • .cda – CD audio track file.
  • .mid or .midi – MIDI audio file.
  • .mp3 – MP3 audio file.
  • .mpa – MPEG-2 audio file.
  • .ogg – Ogg Vorbis audio file.
  • .wav – WAV file.
  • .wma – WMA audio file.
  • .wpl – Windows Media Player playlist.

2.  Compressed

  • .7z – 7-Zip compressed file.
  • .arj – ARJ compressed file.
  • .deb – Debian software package file.
  • .pkg – Package file.
  • .rar – RAR file.
  • .rpm – Red Hat Package Manager
  • .tar.gz – Tarball compressed file.
  • .z – Z compressed file.
  • .zip – Zip compressed file.

3. Disc and media

  • .bin – Binary disc image.
  • .dmg – macOS X disk image.
  • .iso – ISO disc image.
  • .toast – Toast disc image.
  • .vcd – Virtual CD.

4. Data and database

  • .csv – Comma separated value file.
  • .dat – Data file.
  • .db or .dbf – Database file.
  • .log – Log file.mdb – Microsoft Access database file.
  • .sav – Save file (e.g., game save file).
  • .sql – SQL database file.
  • .tar – Linux / Unix tarball file archive.
  • .xml – XML file.

5. E-mail

  • .email – Outlook Express e-mail message file.
  • .eml – E-mail message file from multiple e-mail clients, including Gmail.
  • .emlx – Apple Mail e-mail file.
  • .msg – Microsoft Outlook e-mail message file.
  • .oft – Microsoft Outlook e-mail template file.
  • .ost – Microsoft Outlook offline e-mail storage file.
  • .pst – Microsoft Outlook e-mail storage file.
  • .vcf – E-mail contact file.

6. Executable

  • .apk – Android package file.
  • .bat – Batch file.bin – Binary file.
  • .cgi or .pl – Perl script file.
  • .com – MS-DOS command file.
  • .exe – Executable file.
  • .gadget – Windows gadget..
  • .jar – Java Archive file.
  • .msi – Windows installer package.
  • .py – Python file.
  • wsf – Windows Script File.

7. Font

  • .fnt – Windows font file.
  • .fon – Generic font file.
  • .otf – Open type font file.
  • .ttf – TrueType font file.

8. Image

  • .ai – Adobe Illustrator file.
  • .bmp – Bitmap image.
  • .gif – GIF image.ico – Icon file.
  • .jpeg or .jpg – JPEG image.
  • .png – PNG image.
  • .ps – PostScript file.
  • .psd – PSD image.
  • svg – Scalable Vector Graphics file.
  • .tif or .tiff – TIFF image.

9. Internet

  • .asp and .aspx – Active Server Page file.
  • .cer – Internet security certificate.
  • .cfm – ColdFusion Markup file..
  • cgi or .pl – Perl script file.
  • .css – Cascading Style Sheet file.
  • .htm and .html – HTML file.
  • .js – JavaScript file.
  • .jsp – Java Server Page file.
  • .part – Partially downloaded file.
  • .php – PHP file.
  • .py – Python file.
  • .rss – RSS file.
  • .xhtml – XHTML file.

10. Presentation

  • .key – Keynote presentation.
  • .odp – OpenOffice Impress presentation file.
  • .pps – PowerPoint slide show.
  • .ppt – PowerPoint presentation.
  • .pptx – PowerPoint Open XML presentation.

11. Programming

  • .c – C and C++ source code file.
  • .class – Java class file.
  • .cpp – C++ source code file.
  • .cs – Visual C# source code file.
  • .h – C, C++, and Objective-C header file.
  • .java – Java Source code file.
  • .pl – Perl script file.
  • .sh – Bash shell script.
  • .swift – Swift source code file.
  • .vb – Visual Basic file.

12. Spreadsheet

  • .ods – OpenOffice Calc spreadsheet file
  • .xls – Microsoft Excel file
  • .xlsm – Microsoft Excel file with macros
  • .xlsx – Microsoft Excel Open XML spreadsheet file

13. System

  • .bak – Backup file
  • .cab – Windows Cabinet file
  • .cfg – Configuration file
  • .cpl – Windows Control panel file
  • .cur – Windows cursor file
  • .dll – DLL file
  • .dmp – Dump file
  • .drv – Device driver file
  • .icns – macOS X icon resource file
  • .ico – Icon file
  • .ini – Initialization file
  • .lnk – Windows shortcut file
  • .msi – Windows installer package
  • .sys – Windows system file
  • .tmp – Temporary file

14. Video

  • .3g2 – 3GPP2 multimedia file
  • .3gp – 3GPP multimedia file
  • .avi – AVI file.
  • flv – Adobe Flash file
  • .h264 – H.264 video file
  • .m4v – Apple MP4 video file
  • .mkv – Matroska Multimedia Container
  • .mov – Apple QuickTime movie file
  • .mp4 – MPEG4 video file
  • .mpg or .mpeg – MPEG video file
  • .rm – RealMedia file
  • .swf – Shockwave flash file
  • .vob – DVD Video Object
  • .wmv – Windows Media Video file

15. Word processor

  • .doc and .docx – Microsoft Word file
  • .odt – OpenOffice Writer document file
  • .pdf – PDF file
  • .rtf – Rich Text Format
  • .tex – A LaTeX document file
  • .txt – Plain text file
  • .wpd – WordPerfect document