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.

imscc file icon.imscc - Canvas exported course 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

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

default file extension icon file extension oxps - Windows OpenXPS document

default file extension icon file extension aae - Apple sidecar file

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

vcf file extension icon file extension vcf - vCard file

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

pages file extension icon file extension pages - Pages document

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

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

default file extension icon file extension part - Partial download file

cdr file extension icon file extension cdr - CorelDRAW vector or bitmap graphics

default file extension icon file extension crypt - WhatsApp Messenger encrypted message database backup

indd file extension icon file extension indd - Adobe InDesign document

aspx file extension icon file extension aspx - Active Server Page Extended ASP.NET script

Recently updated file extensions

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

mms file extension icon file extension mms - Multimedia Messaging Service message

crx file extension icon file extension crx - Google Chrome extension installer file format

cbr file extension icon file extension cbr - Comic Book Archive file or ComicBook Reader e-book

ipsw file extension icon file extension ipsw - iPhone, iPad or iPod Touch iOS software firmware update

ics file extension icon file extension ics - iCalendar calendar file format (Microsoft Outlook, Apple iCal)

default file extension icon file extension tec - Tecplot ASCII data

menc file extension icon file extension menc - Microsoft Windows Mobile encrypted data

mdx file extension icon file extension mdx - Media Data eXtended image

psb file extension icon file extension psb - Adobe Photoshop Large Document Format

default file extension icon file extension jef - Janome embroidery layout

default file extension icon file extension bdb2 - Skillpipe course data

avc file extension icon file extension avc - MPEG-4 AVC Advanced Video Coding movie

default file extension icon file extension mmlp - Music Macro Language project

default file extension icon file extension odttf - Microsoft Office document embedded font

default file extension icon file extension afdesign - Serif Affinity Designer document

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

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