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.

ndf file icon.ndf - Microsoft SQL Server secondary data

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 - Windows OpenXPS document

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

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

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

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

flac file extension icon file extension flac - Audio files encoded by Flac - free lossless audio codec

mkv file extension icon file extension mkv - Matroska multimedia container

pptx file extension icon file extension pptx - Microsoft PowerPoint Open XML presentation

numbers file extension icon file extension numbers - Apple Numbers spreadsheet

pages file extension icon file extension pages - Pages document

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

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

Recently updated file extensions

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

sql file extension icon file extension sql - Structured Query Language Data SQL file

xcf file extension icon file extension xcf - GIMP XCF bitmap image

ts file extension icon file extension ts - MPEG-TV recorded video format

default file extension icon file extension crypt - WhatsApp encrypted backup (original)

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

default file extension icon file extension part - Partial download file

264 file extension icon file extension 264 - H.264/MPEG-4 AVC video data

eml file extension icon file extension eml - Email message

z01 file extension icon file extension z01 - Split Multi-volume ZIP compressed file archive (part 2)

pub file extension icon file extension pub - Microsoft Publisher document

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

default file extension icon file extension zab - Zipped audio book

default file extension icon file extension azw3 - Amazon Kindle eBook

eps file extension icon file extension eps - Encapsulated PostScript file

emz file extension icon file extension emz - Microsoft Windows compressed enhanced metafile

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

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