What is a .GRR File And How To Open It – Gradekeeper

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Have you downloaded a file with .grr extension, but you are not sure what it is? It is possible that you know what the file does, but you are unsure on how to open it. Fear not, in this article we will show you how to easily open the .grr file in few simple steps on various systems.

What is a .GRR file?

The .GRR file extension is Gradekeeper Class Roster File. The developer of this file extension is Gradekeeper. The file is a data related file.

What to know

There is currently 0 software that can open the .grr file on 0 platforms.


We don’t register any way of opening this file extension at the moment, kindly let us know if you have any information.