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.

hkv file icon.hkv - Eyesight IP Camera 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.

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

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

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

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

docx file extension icon file extension docx - Microsoft Word Open XML document

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

default file extension icon file extension epub - Open Publication structure e-book

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

default file extension icon file extension oxps - Microsoft OpenXPS document

default file extension icon file extension part - Partial download

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

dll file extension icon file extension dll - Dynamic Link Library

dwg file extension icon file extension dwg - AutoCAD drawing

default file extension icon file extension crypt12 - WhatsApp Messenger message database

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

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 lij - Apple Photos data

default file extension icon file extension apple - Apple AppleSingle data

default file extension icon file extension ee - Encrypt Easy encrypted data

clk file extension icon file extension clk - CorelDRAW Corel R.A.V.E. animation

default file extension icon file extension adi - AOMEI Backupper disk backup

nrg file extension icon file extension nrg - Nero-Burning ROM CD or DVD image

default file extension icon file extension g64 - C64 emulator disk image

default file extension icon file extension jnx - Garmin raster map

default file extension icon file extension exam - ProfExam exam data

ard file extension icon file extension ard - Alphacam router drawing

adb file extension icon file extension adb - Ability Database database

idb file extension icon file extension idb - Microsoft Visual Studio developer intermediate debug data

default file extension icon file extension eoc - EncryptOnClick encrypted data

tod file extension icon file extension tod - Hard disk camera movie MPEG-2 transport stream

default file extension icon file extension nvc - Nero Video project

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

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