File Extension Library

.GRR File Extension

  • Developer by: Gradekeeper
  • Category: Data Files

What is an .GRR file?

.GRR file extension is created by Gradekeeper. .GRR has been classified as Data Files.

.GRR is Gradekeeper Class Roster File

Roster or list of students in a class created with Gradekeeper, a classroom attendance and grade tracking program; referenced by Gradekeeper when taking attendance and saving scores.

The Gradekeeper gradebook is saved as a .GRK file.

How to Open .GRR file on different platforms

Open .GRR File on Windows

  • Right-click a .GRR
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .GRR file and Select check box "Always use this app to open .GRR files" Press "Ok"

Open .GRR File on Mac

  • Right-click (or Ctrl + Left-click) the .GRR file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .GRR File on Linux

Right click on the .GRR file, choose "Open with" and select a program from the list above

Open .GRR File on iPhone

Select a file. If you don't see an application to open the .GRR file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .GRR File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .GRR files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .GRR files

  1. You need to update the application that you normally use to open .GRR files. Only the latest version of the software supports the current .GRR file format
  2. You need to check the .GRR file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)