Opening CP4 files

Did your computer fail to open a CP4 file? We explain what CP4 files are and recommend software that we know can open or convert your CP4 files.

What is a CP4 file?

Every day users like you submit information to us about specific types of files, and which programs they use to open them.

While we do not yet have a description of the CP4 file format and what it is normally used for, we do know which programs are known to open these files. See the list of programs recommended by our users below.

We are constantly working on adding more file type descriptions to the site - the current count exceeds thousand by far, and more information about CP4 files will hopefully be added soon.

If you have information about CP4 files that you think will be helpful for others, please do use the Submit Info link below and we will add it to this page.

Generic CP4

These apps are known to open certain types of CP4 files. Since many different programs may use CP4 files for different purposes, you may need to try a few of the apps to open your specific CP4 file.

Singer Song Writer LiteSinger Song Writer LiteUser submitted
compasXcompasXUser submitted
The Investment AdvistorThe Investment AdvistorUser submitted
compasX-UsercompasX-UserUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with CP4-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 CP4-files. If you know one, please use the Suggest link below and tell us about it!