.GRR File Overview

File Extension: GRR
File Type Description: Gradekeeper Class Roster Data
File Type Developer: Daniel Ethier
Primary Associated Software: Gradekeeper
Primary Software Developer: Daniel Ethier

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GRR

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What is File Extension GRR?

Gradekeeper Class Roster Data files are the most popular type of files to carry the GRR file extension, originally developed by Daniel Ethier for Gradekeeper. Commonly, Gradekeeper Class Roster Data files are found on user computers from United States, and on PCs running the Windows 10 operating system. Most of these users are running the Google Chrome web browser.


Associated Developers and Software

Gradekeeper by Daniel Ethier

Top GRR User Languages

Top GRR File User Browsers

Desktop Friendly?

Yes

Mobile Friendly?

Yes

Most Popular GRR File Countries

Top User Operating Systems

Windows 10 Windows 11 Windows 6 Windows 8.1

Associated Operating Systems

Windows
Mac

Other File Types Related to GRR Files

Extension File Type Developer File Category File Type Description
.GRK Daniel Ethier Data Files Gradekeeper Class Gradebook File
.RSS Various Developers Web Files Rich Site Summary
.VCT Clark Labs GIS Files IDRISI Vector Image
.EQW Petr Skoda Data Files SPEFO Stellar Spectra Analysis File
.PSV Sony Game Files PlayStation 2 Save File
.ZML Check Point Software Technologies Ltd. Data Files ZoneAlarm Mailsafe Renamed Data
.191 bhv Data Files Winfunktion Mathematik V8.0 Julia Fractal File
.LTT Hewlett-Packard Data Files HP Library And Tape Tools Log
.L Johan Bontes Data Files Game Of Life File
.PD4 Jan van Wijk Backup Files DFSee Partition Table And Boot Sector Backup


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