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.UU File Extension

File TypeUuencoded File

4.0 (5 Votes)
CategoryEncoded Files


This file is saved in a plain text format. You can open and view the contents of this file using a text editor.

What is a UU file?

File created by uuencode, a Unix program used for converting binary data to text; contains the textual encoding of an original binary file; often used to email a binary file in a text format so that the file does not become corrupted.

More Information

"UU," which stands for "Unix to Unix encoding," is most commonly used to transfer files on Unix-based systems. UU files are more often seen with a .UUE extension.

UU files can be decoded back into the original binary file using uudecode.

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Programs that open UU files
Corel WinZip 21
Smith Micro StuffIt Deluxe for Windows
Apple Archive Utility
Smith Micro StuffIt Deluxe 16
Updated 9/18/2015

About the file extension uu

Our goal is to help you understand what a file with a *.uu suffix is and how to open it.

The Uuencoded file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not been able to verify.

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