Opening C1DX files

Did your computer fail to open a C1DX file? We explain what C1DX files are and recommend software that we know can open or convert your C1DX files.

What is a C1DX 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 C1DX 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 C1DX files will hopefully be added soon.

If you have information about C1DX 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 C1DX

These apps are known to open certain types of C1DX files. Since many different programs may use C1DX files for different purposes, you may need to try a few of the apps to open your specific C1DX file.

C1dViewC1dViewUser 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 C1DX-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 C1DX-files. If you know one, please use the Suggest link below and tell us about it!