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.

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

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

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

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

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

jpg file extension icon file extension jpg - JPEG bitmap image

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

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

default file extension icon file extension oxps - Microsoft OpenXPS document

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

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 thumbdata3--1967290299 - Android Thumbnail index 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 nar - Nokia Smart Cam archive

default file extension icon file extension pie - Glove programmable input emulator data

default file extension icon file extension mmdb - Molecular Modeling Database format

hp2 file extension icon file extension hp2 - HP Graphics Language plotter document

pip file extension icon file extension pip - Microsoft Office personalized settings

default file extension icon file extension bib - BibTeX document

default file extension icon file extension asc - ASCII text

default file extension icon file extension stp - ISO-10303 STEP product data

iso file extension icon file extension iso - CD/DVD/HD DVD/Blu-ray disc ISO binary image

mpp file extension icon file extension mpp - Microsoft Project plan file

pmd file extension icon file extension pmd - Adobe PageMaker document

default file extension icon file extension mrk - DPOF auto print order data

default file extension icon file extension pdfx - PDF/X document

default file extension icon file extension rpp - REAPER project

default file extension icon file extension myo - MYOB data

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

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