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.

mov file icon.mov - Apple QuickTime digital video

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

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

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

default file extension icon file extension part - Partial download file

default file extension icon file extension crypt8 - WhatsApp Messenger message database file

crdownload file extension icon file extension crdownload - Google Chrome incomplete download file

vcf file extension icon file extension vcf - vCard file

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

xlsx file extension icon file extension xlsx - Microsoft Excel Open XML workbook file

default file extension icon file extension spb - Samsung Kies phone contacts library

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

numbers file extension icon file extension numbers - Apple Numbers spreadsheet file

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

default file extension icon file extension aae - Apple sidecar file

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

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 imr - IBM Cognos Impromptu report

default file extension icon file extension sha1 - SHA-1 text hash

default file extension icon file extension iva - Surveillance video file

default file extension icon file extension vssx - Microsoft Visio stencil file

default file extension icon file extension wbp - Webshots image file

wb2 file extension icon file extension wb2 - Corel Quattro Pro spreadsheet

dif file extension icon file extension dif - Navy DIF spreadsheet

slk file extension icon file extension slk - Microsoft Symbolic Link format

wq1 file extension icon file extension wq1 - Corel Quattro Pro for MS-DOS spreadsheet

tnl file extension icon file extension tnl - Thumbnail image format

wk3 file extension icon file extension wk3 - Lotus 1-2-3 version 3.x spreadsheet

wk1 file extension icon file extension wk1 - Lotus 1-2-3 version 2.x spreadsheet

wb1 file extension icon file extension wb1 - Corel Quattro Pro spreadsheet

qpw file extension icon file extension qpw - Corel Quattro Pro spreadsheet

123 file extension icon file extension 123 - Lotus 1-2-3 spreadsheet

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

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