3GR file extension - Windows Screen Grabber for MS-DOS applications VGA graphics driver
What is 3gr file? How to open 3gr files?
File type specification:
The 3GR file extension is associated with the Windows Screen Grabber for MS-DOS applications.
The *.3gr file stores VGA graphics driver that allows Windows to display text and graphics in enhanced mode on a 386, 486, or Pentium computer.