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