How to open U files

Did your computer fail to open an U file? We explain what U files are and recommend software that we know can open or convert your files.

What is an U file?

The U file extension indicates to your device which app can open the file. However, different programs may use the U file type for different types of data.

We are aware of 2 different uses of the U extension, which you can read more about below.

KICK-Pascal Unit Interface

Through our analysis of U files, we know that one use of the format is KICK-Pascal Unit Interface. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Twist Update script

Through our analysis of U files, we know that one use of the format is Twist Update script. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Software that will open, convert or fix U files

These apps are known to open certain types of U files. Since many different programs may use U files for different purposes, you may need to try a few of the apps to open your specific U file.

DIMIN ViewerDIMIN ViewerUser submitted
QuickTimeQuickTimeUser submitted
We have not verified any programs that we know for certain can work with U-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with U-files. If you know one, please use the Suggest link below and tell us about it!