How to open CPJ files

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

What is a CPJ file?

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

We are aware of 1 different use of the CPJ extension, which you can read more about below.

WinOnCD Project

Through our analysis of CPJ files, we know that one use of the format is WinOnCD Project. 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 CPJ files

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

5DFly Photo Design5DFly Photo DesignUser submitted
ClementineClementineUser submitted
CX-Process ToolCX-Process ToolUser submitted
Horner APG, LLC CscapeHorner APG, LLC CscapeUser submitted
IBM SPSS ModelerIBM SPSS ModelerUser submitted
MicroGDSMicroGDSUser submitted
SessionSessionUser submitted
Cover Commander by Insofta DevelopmentCover Commander by Insofta DevelopmentUser submitted
PASW ModelerPASW ModelerUser submitted
CodePro ApplicationCodePro ApplicationUser submitted
We have not verified any programs that we know for certain can work with CPJ-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 CPJ-files. If you know one, please use the Suggest link below and tell us about it!