Did you find or received CU_ file and your computer failed to open it? Below we will explain what is CU_ file extension and how you can open it.

What is a CU_ file ext?

CU_ is a file extension associated with Winhelp Compressed files.

How to open a CU_ file?

In most cases your computer should know what software program should be used to open different file types and extensions like CU_. When you double click on the CU_ file format, it should open with appropriate software program. If you downloaded or received CU_ files for the first time and your system failed to open it then try free file viewers available on the internet after doing enough research not to fall prey to malware.

How to fix errors with CU_ files

Scan the file
Before trying to open CU_ files on your Windows make sure that it is safe to do so by running through antivirus scanner.
Unable to open CU_ files with the associated software program or see an error than try updating the associated software
Do not
If none of the applications in your Windows were able to open CU_ file do not change file extension because by changing file extension you are corrupting the file. In case you already changed the extension you can revert it back to CU_ by renaming the file. Incorrect associations are the cause of many CU_ file errors.

Finally, if Windows is unable to open file extension CU_ you may have registry related errors or may not have the appropriate program installed. We strongly recommend that you run a registry scan.

You are currently viewing the detail page for CU_ file ext. This page contains a detailed description of the CU_ file type, software tools to help resolve file association errors in the Windows registry together with relevant system utility applications and other related information.