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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
UUE - Extension Details
Date Added: January 01, 1970
File Extension:  .UUE
Description 1: .UUE files are encoded by Unix UnixtoUnix encoding (or uuencode). These files are used in converting files from binary to text format. With the .UUE file, users are able to email documents on various Unix platforms without worrying that files will get corrupted. To open .UUE files, they must first undergo decoding. This can be done with the aid of the Web Utils Online UUDecoder Tool.
File Type:   Encoded file
Mode: ASCII
Program(s) to Open:  Windows: Corel WinZip, WinCode, Smith Micro Stuffit Deluxe 12 Macintosh: Smith Micro Stuffit Expander, UU Undo Unix: uuencode, uudecode
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