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