Opening CN2 files

Did your computer fail to open a CN2 file? We explain what CN2 files are and recommend software that we know can open or convert your CN2 files.

What is a CN2 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 CN2 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 CN2 files will hopefully be added soon.

If you have information about CN2 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 CN2

These apps are known to open certain types of CN2 files. Since many different programs may use CN2 files for different purposes, you may need to try a few of the apps to open your specific CN2 file.

2connect2connectUser submitted
2Simple 2Connect2Simple 2ConnectUser 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 CN2-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 CN2-files. If you know one, please use the Suggest link below and tell us about it!