CPJ File - opening and understanding

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

What is a CPJ file?

A .CPJ file is a WinOnCD Project file. 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.

How to open CPJ files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension CPJ for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different CPJ openers which you will find listed below.

Suggest another file format using extension CPJ

While we know of one file format using the .CPJ file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .CPJ file.

Various viewers for this file format

These apps are known to open certain types of CPJ files. Remember, different programs may use CPJ files for different purposes, so you may need to try out a few of them to be able to open your specific file.

CX-Process ToolCX-Process ToolUser submitted
5DFly Photo Design5DFly Photo DesignUser 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
ClementineClementineUser submitted
PASW ModelerPASW ModelerUser submitted
CodePro ApplicationCodePro ApplicationUser submitted
We have not verified any software that we know for certain will work with CPJ-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with CPJ-files. If you know one, please use the 'Suggest a program' link below and tell us about it!