How to open C39 files
Did your computer fail to open a C39 file? We explain what C39 files are and recommend software that we know can open or convert your C39 files.
What is a C39 file?
The C39 file extension indicates to your device which app can open the file. However, different programs may use the C39 file type for different types of data.
While we do not yet describe the C39 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 C39 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!
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Generic C39
These apps are known to open certain types of C39 files. Since many different programs may use C39 files for different purposes, you may need to try a few of the apps to open your specific C39 file.
 | CE39 Application | User 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.