File extension or filename suffix is usually three, four or more characters at the end of computer file names divided by a dot.
File extensions are useful to computer programs and operating systems like Windows or OS X, and basically telling them, what kind of data and file type they are working with and what associated program opens this file.
File-extensions.org library contains thousands of file extensions and the database is still growing.
A large number of file type entries have detailed descriptions, including their current use and the list of programs that can open, view, edit, convert or play unknown file you search for.
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File extension of the day
Random daily pick from file-extensions.org database.
.eps - Encapsulated PostScript file
For an overview of common file types,
visit the common file extensions page, which includes a list of the most important computer file formats you should know.
Popular file extensions
List of the most visited file extension records. Click on the link below for more details and software associations.
file extension pdf - Adobe Portable document format
file extension flac - Audio files encoded by Flac - free lossless audio codec
file extension part - Partial download file
file extension epub - Open Publication structure eBook file
file extension pages - iWork Pages document file
file extension rar - WinRAR RAR compressed archive
file extension 3ga - Audio file for wireless networks
file extension pub - Microsoft Publisher document file
file extension mobi - Mobipocket eBook Format
file extension apk - Google Android package file
file extension 002 - Compressed file from a multi-volume archive (part 2)
file extension gadget - Windows sidebar gadget file
file extension dwg - AutoCAD Drawing file
file extension json - Mozilla Firefox bookmark backup file
file extension menc - Microsoft Windows Mobile encrypted file
file extension xlsx - Microsoft Excel 2007, Excel 2010 and Excel 2013 Open XML workbook file
file extension 264 - H.264/MPEG-4 AVC video file
file extension dlc - JDownloader download link container
file extension bin - CD/DVD binary image file
file extension xls - Microsoft Excel 97 to 2003 workbook file
Recently updated file extensions
Existing and new file extensions are updated or added very often. The database is maintained and improved every day.
file extension wia - Nintendo Wii ISO Archive file
file extension mxfd - ABBYY Form file
file extension fid - Windows index file
file extension pbt - Micro Dynamics MARS image format
file extension pc3 - Atari Degas bitmap image
file extension phz - Phun compressed phunlet file
file extension plg - BPM Studio play list categories
file extension pls - Napster MPEG PlayList file
file extension psf - Windows Server Update Services patch storage file
file extension rbw - Ruby file
file extension rock - Rockbox installation file
file extension opdownload - Opera Next incomplete download
file extension spd - Speech data file
file extension stu - Pinnacle Studio video project file
file extension str - ATOMS structure file
file extension str - Screensaver file
file extension tex - Game texure file
file extension thm - Thumbnail bitmap image file
file extension thr - Pro/ENGINEER file
file extension tpa - Palm data import template