How to open C02 files

Did your computer fail to open a C02 file? We explain what C02 files are and recommend software that we know can open or convert your C02 files.

What is a C02 file?

The C02 file extension indicates to your device which app can open the file. However, different programs may use the C02 file type for different types of data.

While we do not yet describe the C02 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 C02 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 C02

These apps are known to open certain types of C02 files. Since many different programs may use C02 files for different purposes, you may need to try a few of the apps to open your specific C02 file.

DT MaxDT MaxUser submitted
Cantax T2PlusCantax T2PlusUser submitted
T2Plus with Corporation Internet FilingT2Plus with Corporation Internet FilingUser submitted
ZipZag ArchiverZipZag ArchiverUser 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 C02-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 C02-files. If you know one, please use the Suggest link below and tell us about it!