How to open CHPROJ files

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

What is a CHPROJ file?

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

While we do not yet describe the CHPROJ file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about CHPROJ files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Generic CHPROJ

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

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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 CHPROJ-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 CHPROJ-files. If you know one, please use the Suggest link below and tell us about it!