File extensions sample

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.
 

Latest articles

Check out the recently published articles related to file extensions, tutorials or software reviews.

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I want to convert from      to    

Begin your search by entering the source and target file type specified by their file extensions. For example simply try flac to mp3.

File extension of the day

Random daily pick from file-extensions.org database.

qxd file icon.qxd - QuarkXPress document 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.

pdf file extension icon file extension pdf - Adobe Portable document format

default file extension icon file extension oxps - Windows 8 OpenXPS document file

mp4 file extension icon file extension mp4 - MPEG-4 video file format

apk file extension icon file extension apk - Google Android package file

rar file extension icon file extension rar - WinRAR RAR compressed archive

doc file extension icon file extension doc - Microsoft Word 97 to 2003 document file

flac file extension icon file extension flac - Audio files encoded by Flac - free lossless audio codec

mp3 file extension icon file extension mp3 - Compressed audio and music file, mp3 songs or ringtones

avi file extension icon file extension avi - Audio Video Interleave movie file

pptx file extension icon file extension pptx - Microsoft PowerPoint 2007/2010 Open XML presentation file

mkv file extension icon file extension mkv - Matroska video-audio multimedia file

default file extension icon file extension part - Partial download file

xlsx file extension icon file extension xlsx - Microsoft Excel 2007, Excel 2010 and Excel 2013 Open XML workbook file

docx file extension icon file extension docx - Microsoft Word 2007/2010 Open XML document file

mov file extension icon file extension mov - Apple QuickTime digital movie file

Recently updated file extensions

The file extension database is maintained and improved on daily basis. Here you can check last updated entries.

default file extension icon file extension ova - Open Virtual Machine Format single archive file

default file extension icon file extension glksave - Zoom game save package file

default file extension icon file extension mo3 - MO3 MOD audio format

default file extension icon file extension daq - Data Acquisition Toolbox file

default file extension icon file extension props - Microsoft Visual Studio property sheet file

default file extension icon file extension vsr - Microsoft Access report file

default file extension icon file extension nox - Wave IRIS NOx file

default file extension icon file extension nar - Counter-Strike Online game archive file

default file extension icon file extension lfv - Labassert functional view library file

default file extension icon file extension pkc - Jython JAR cache file

default file extension icon file extension poix - Point of interest exchange file

default file extension icon file extension s4m - SWAT 4 map file

default file extension icon file extension qmc - QMTest results file

default file extension icon file extension prs - SoftMaker Presentations document file

default file extension icon file extension wzconfig - WinZip e-mail configuration file

Enter any file extension without dot (e.g. doc)
Search for file extension details and associated application(s)

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