UU file icon

UU File Extension

Uuencoded Format

What is UU file?

Full format name of files that use UU extension is Uuencoded Format. UU file format is compatible with software that can be installed on Linux, Mac OS, Windows system platform. UU file format, along with 236 other file formats, belongs to the Encoded Files category. WinZip supports UU files and is the most frequently used program to handle such files, yet 5 other tools may also be used. On the official website of WinZip Computing, S.L. developer not only will you find detailed information about theWinZip software, but also about UU and other supported file formats.

Programs which support UU file extension

Below you will find an index of software programs that can be used to open UU files divided into 3 categories according to system platform supported. UU files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support UU file

How to open file with UU extension?

Being unable to open files with UU extension can be have various origins. What is important, all common issues related to files with UU extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Download and install WinZip

Install software to open UU file The main and most frequent cause precluding users form opening UU files is that no program that can handle UU files is installed on user’s system. This one is an easy one. Select WinZip or one of the recommended programs (for example, ALZip, Apple Archive Utility, ZipZag) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit WinZip website and download the installer.

Step 2. Verify the you have the latest version of WinZip

Update software that support file extension UUIf the problems with opening UU files still occur even after installing WinZip, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of WinZip is available. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why UU files are not compatible with WinZip. The most recent version of WinZip is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open UU files to WinZip

After installing WinZip (the most recent version) make sure that it is set as the default application to open UU files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with UU file on Windows

Selecting the first-choice application in Windows

  • Clicking the UU with right mouse button will bring a menu from which you should select the Open with option
  • Click Choose another app and then select More apps option
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where WinZip is installed. Now all that is left is to confirm your choice by selecting Always use this app to open UU files and clicking OK.
Associate software with UU file on Mac

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with UU extension, select Information
  • Find the Open with option – click the title if its hidden
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • Finally, a This change will be applied to all files with UU extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Check the UU for errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper UU file. It is probable that the file is corrupted and thus cannot be accessed.

Check UU file for viruses
1. The UU may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the UU file hinders attempts to open it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. UU file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

Did you receive the UU file in question from a different person? Ask him/her to send it one more time. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with UU extension was interrupted and the file data is defective. Download the file again from the same source.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the Uuencoded Format file again.

4. Make sure that the system has sufficient resources to run WinZip

If the systems has insufficient resources to open UU files, try closing all currently running applications and try again.

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with Uuencoded Format files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with UU files affecting older versions of given software.

Conversion of a UU file

File Conversions from UU extension to a different format
File conversions from other format to UU file
Do you want to help?

If you have additional information about the UU file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on UU file.

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