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The File Extension Library

What is a file extension?

Short answer: it's the set of letters after the period (.) in the name of a file.

Long answer: File extensions signify the file format of a file. It tells the operating system (OS) how data was stored in the file. Not all OS, require a file extension though. For instance, this is optional in Unix, but is mandatory with MS-DOS and Windows systems.

In most file formats the file type is actually defined by the contents (first bytes, file structure), but extensions are used to define the application that is used for opening the file.

Below is a detailed database of thousands of file extensions our team has compiled for you. Feel free to browse!


Browse all Extensions:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
UIF - Extension Details
Date Added: February 09, 2008
File Extension:  .UIF
Description 1: UIF stands for Universal Image Format. It is the file extension used in the compressed disc image format that MagicISO developed. People create, edit and extract disc image files with the help of this program. Files allow for encryption and offer passwordprotection. Multisession CD/DVD, VCD, DVDVideo, SVCD and AudioCD format backups are also supported. UIF files creation and opening require downloading MagicISO software, which only works on Windows.
File Type:   Image file
Mode: Binary
Program(s) to Open:  Windows: MagicISO, PowerISO 4.1 or later, UIF2ISO, UIF to ISO Converter Macintosh: UIF2ISO for Mac Unix: UIF2ISO
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