UU File Description

Researcher:   |   Edited: November 26, 2018

Microsoft Silver

UU File Summary

Our most recent information indicates that UU files are associated with only a single known file type, the Uuencoded File format, and can be viewed primarily with Apple Archive Utility, including three other known software applications (listed below). The majority of UU files are considered Encoded Files.

File Extension UU is supported by Mac, Windows, and iOS operating systems. These types of files can be found on both desktop and mobile devices. With a Popularity Rating of "Low", these files are not very common to your average computer user.

To learn more about UU files and their associated software applications, please see the information below. Plus, we provide a basic troubleshooting guide to solve problems with opening UU files.

Low
File Type Popularity
8829
File Rank

/ 11690

Active

State

26

November

2018

Refreshed

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Kinds of UU Files


Principal UU Type

.UU
File Name:.uu
File Type:Uuencoded File

The UU file extension is an encoded file mainly associated with uuencode, a Unix software application for converting a binary file to a text format. The file contains some binary file data but only works after being decoded. The main purpose of the file is to help with emailing documents to avoid file corruption.

Developer: Open Source
Kind:Encoded Files
Location: HKEY_CLASSES_ROOT\.uu

Software Programs That Open The Uuencoded File:


Apple Archive Utility by Apple

Mac

Smith Micro StuffIt Deluxe by Smith Micro Software

Windows
Mac
iOS
Android

Corel WinZip 21 by Corel

Windows
Mac
iOS
Android

Uuencode by Open Source

Linux

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UU Demand


Device Breakdown

Desktop (84.34%)
Mobile (14.29%)
Tablet (1.37%)


UU Troubleshooting


Issues Opening UU Files

Apple Archive Utility Removed

You attempt to load your UU file and get an error such as "%%os%% Can't Open The UU File Extension". If so, it typically means that you don't have Apple Archive Utility installed for %%os%%. The typical path of opening your UU with a double-click won't work because %%os%% cannot make the program connection.


Tip: If you don't have Apple Archive Utility installed, and you know of another program to open your UU file, you can try opening it by selecting from the programs listed under "Show Apps".


Wrong Version of Apple Archive Utility is Installed

Sometimes your installed version of Apple Archive Utility won't support your Uuencoded File file. If you've got the wrong version of Apple Archive Utility installed, you'll need to install the correct version. This issue mainly occurs when your Uuencoded File file was created by a newer version of Apple Archive Utility than you have on your PC.


Tip: Investigate your UU file by right-clicking and selecting "Properties" to find clues on what version you need.


Summary: In either case, the majority of problems opening UU files are related to not having the correct software application installed on your computer.


Associated Difficulties Loading UU Files

Although you might already have Apple Archive Utility or another UU-associated software installed on your computer, you can still encounter problems opening Uuencoded File files. If you are continuing to have errors with loading UU files, other external issues might be to blame. Additional factors include:

  • UU file references in the Windows Registry are broken
  • Accidental deletion of the description of the UU file in the Windows registry
  • Incomplete or bad installation of a software application associated with the UU format
  • Your UU file is corrupted (issues with your Uuencoded File file itself)
  • Malware-tainted UU file can't be opened
  • Hardware related to UUs has device driver corruption
  • Too many applications are open on your PC to load your Uuencoded File file successfully

Quiz: What file extension is an audio file?








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