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.

enc4 file icon.enc4 - Samsung Galaxy encrypted firmware update

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

default file extension icon file extension oxps - Microsoft OpenXPS document

pages file extension icon file extension pages - Pages document

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

numbers file extension icon file extension numbers - Apple Numbers spreadsheet

default file extension icon file extension part - Partial download file

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

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

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

default file extension icon file extension vsdx - Microsoft Visio drawing

dwg file extension icon file extension dwg - AutoCAD drawing

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

indd file extension icon file extension indd - Adobe InDesign document

Recently updated file extensions

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

s3p file extension icon file extension s3p - AKAI MESA II/PC S-series program

default file extension icon file extension ecore - Kermeta ecore diagram

default file extension icon file extension printerexport - Microsoft Print Migration data

default file extension icon file extension fxt - FaceFX actor template

default file extension icon file extension fxt - Grand Theft Auto: San Andreas fake text

default file extension icon file extension fxt - Finale plug-in

part10.rar file extension icon file extension part10.rar - Split Multi-volume RAR compressed file archive (part 10)

default file extension icon file extension bel - Belon compressed archive

default file extension icon file extension 3dh - SeisWorks horizontal time-slice format

default file extension icon file extension tk - Tk language script

default file extension icon file extension 2fs - Puppy Linux snapshot

default file extension icon file extension is3 - SmartWare input screen data

default file extension icon file extension pcc - PCCharge log

default file extension icon file extension pcc - Photocomposition codes

default file extension icon file extension pcc - Mass Effect game package

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

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