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 macOS (OS X), and basically telling them, what kind of data and file type they are working with and what associated program opens the 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 tips.

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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's database.

ftil file icon.ftil - e-Hastakshar contract note

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

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

pages file extension icon file extension pages - Pages document

default file extension icon file extension oxps - Microsoft OpenXPS document

numbers file extension icon file extension numbers - Apple Numbers spreadsheet

jpg file extension icon file extension jpg - JPEG bitmap image format

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

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

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

srt file extension icon file extension srt - SubRip video subtitle format

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

default file extension icon file extension part - Partial download file

default file extension icon file extension json - JavaScript object notation data interchange format

default file extension icon file extension epub - Open Publication structure eBook

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

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 h2o - H2O compressed archive

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

default file extension icon file extension ipk - WebGine Internet package

default file extension icon file extension olv - OyezForms legal document

default file extension icon file extension 00a - Bentley GEOPAK resource data

default file extension icon file extension a - Red Hat Linux archive

qdt file extension icon file extension qdt - QuickBooks UK accountancy data

default file extension icon file extension csp - Intersystems Caché server page

default file extension icon file extension ice - IceChat IRC client script

default file extension icon file extension rmd - OAAP Pro auditing database

default file extension icon file extension ide - Grand Theft Auto IV item data

default file extension icon file extension mpz - SignIQ project

default file extension icon file extension kif - Knowledge Interchange Format draft proposition

med file extension icon file extension med - Music Editor, OctaMED music module (MOD)

som file extension icon file extension som - Corel Paradox sort information

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

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