How to open CRT files

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

What is a CRT file?

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

While we do not yet describe the CRT 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 CRT 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 CRT

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

DigitalSign Professional ApplicationDigitalSign Professional ApplicationUser submitted
DigitalSign Reader ApplicationDigitalSign Reader ApplicationUser submitted
WinDS PRO AppsWinDS PRO AppsUser submitted
Mapa EuropyMapa EuropyUser submitted
DigitalSign Reader - Edizione IntesaDigitalSign Reader - Edizione IntesaUser 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 CRT-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 CRT-files. If you know one, please use the Suggest link below and tell us about it!