Information about the .3gr (3gr) file type

Below is all the information we have available on file about the .3gr (3gr) file type.

.3gr
Windows 3.x file allowing Windows to display text and graphics in enhanced mode.

Where this is available we would like to include file format information on .3gr files, as well as information on how to view or open files of type .3gr. If you know of any information which we have missed then please let us know.