.UU File Extension

Uuencoded File

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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

Included with OS
Included with OS

Verified by FileInfo.com

The FileInfo.com team has independently researched the Uuencoded file format and Mac, Windows, and Linux apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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