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GRR file extension

The table below provides useful information about the .grr file extension. It answers questions such as:

  • What is the .grr file?
  • What program do I need to open a .grr file?
  • How can the .grr file be opened, edited or printed?
  • How can I convert .grr files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Gradekeeper Class Roster

GRR file is a Gradekeeper Class Roster. Gradekeeper is a tool for managing your gradebook.
GRR format description not yet available
Category: Data files
Application: Gradekeeper
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
GRR aliases:
GRR related links:
GRR related extensions:
Gradekeeper Class Gradebook

Other types of files may also use the .grr file extension.

🚫 The .grr file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

brr, frr, gdr, ger, gfr, ggr, gr, grd, gre, grf, grg, grt, gtr, hrr, rr

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

PDFgetX3 GR File
GX Resource Source File
Registry Mechanic Backup
GROMACS Trajectory File
ISO Disk Image with Rock Ridge Extension
Ragnarok Online Game Data
ElmerGrid Mesh Definition File
Variant Reporter Reference Data
GenePattern Gene Tree File

🔴 Can't open a .grr file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .grr file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .grr file extension, write to us!

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