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.

one file icon.one - Microsoft OneNote 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.

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

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

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

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

default file extension icon file extension part - Partial download file

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

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

default file extension icon file extension 3ga - Audio file for wireless networks

vcf file extension icon file extension vcf - vCard file

pages file extension icon file extension pages - iWork Pages document file

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

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

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

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

mkv file extension icon file extension mkv - Matroska video-audio multimedia 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 cip - CryptoBuddy encrypted file

default file extension icon file extension artx - Artisteer project file

default file extension icon file extension tb - Tabbery tab file

default file extension icon file extension tb - BBEdit Markdown text or source

default file extension icon file extension bwd - BanglaWord document file

default file extension icon file extension bwd - Colin McRae Rally 2 car description file

default file extension icon file extension 8bim - Adobe Photoshop related file

default file extension icon file extension mve - Interplay video file

default file extension icon file extension mve - 4D Vista geological model

default file extension icon file extension ppsx - Microsoft PowerPoint 2007/2010 Open XML complete slide show file

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

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

default file extension icon file extension xltx - Microsoft Excel 2007/2010 Open XML workbook template file

default file extension icon file extension xlv - Microsoft Excel VBA module file

default file extension icon file extension xlw - Microsoft Excel workspace file

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

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