.grr file extension

  • File Type: Gradekeeper Class Roster File
  • Developer: Gradekeeper
  • Category: Data Files
  • Popularity: 3
System Software
windows os

Windows

  • Gradekeeper for Windows
mac os

MAC OS

  • Gradekeeper for Mac OS X
pocket pc os

Pocket PC

  • Gradekeeper for Pocket PC (included with Windows version)
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how to open grr file