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Gradekeeper class roster data
File type: Various data file
A grr file extension is related to the Gradekeeper and used for its class roster data.
File type category:
Various data file
Date updated: November 7, 2017
The grr file extension is associated with Gradekeeper, a gradebook software for Microsoft Windows, macOS (OS X), developed by Daniel Ethier.
The grr files contain class roster used by the application.
Use Gradekeeper to work with *.grr files.
Software applications that can open grr files:
Microsoft Windows
Software apps that create grr files:
Microsoft Windows
Software applications that handle other tasks involving grr files:
Microsoft Windows
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