If an error occurs when you try to open CMU file on your device, you should do two things – install appropriate software and associate CMU files with this software. If this does not solve the problem, then the cause may be different – you will find more details in this article.
There can be various causes of problems that can arise when opening opening .CMU files. Each problem requires a different approach, but most can be solved by following he instructions below.
In order to open CMU file an appropriate program that supports this file format must be installed on the system. Below is the list of programs that support files with CMU extension.
Download installer for given application and launch it. After the installation has been completed, CMU files should be opened with installed application by default next time you try to open this type of file.
Not all listed applications will be capable of performing all operations on CMU files. Some applications may only be capable of opening such file and viewing its contents while the purpose of others may be converting files to other file formats. Therefore you should check beforehand the capabilities of applications in relation to CMU files.
A situation can arise where user has an appropriate application supporting CMU files installed on their system, but such application is not associated with this type of files. In order to associate given application with CMU files user should open a file submenu by right-clicking the file icon and selecting "Open with" option. System will display a list of suggested programs that can be used to open CMU files. Select appropriate option and check "Always use selected application to open this kind of files". System will save this information from now on use selected program to open CMU files.
When the above-mentioned solutions fail, other options must be pursued. It is possible that the CMU file in question is corrupted or damage. The most common causes of file damage are: