What is the GM3 file?
The GM3 file extension can be associated with several types of files. Most often, however, a file with such an extension is associated with the Heroes Of Might & Magic III Saved Game format. GM3 files are supported by Windows operating systems. The GM3 file is one of the Game Files files, just like 1509 of the other files found in our file information database. The creator of Heroes Of Might & Magic III Saved Game is The 3DO Company.
A program that can open the GM3 file is e.g. Heroes of Might & Magic III: The Restoration of Erathia.
Programs, that can open .GM3 files
How to open a .GM3 file?
If you have problems opening the file GM3, then in most cases the problem is only the lack of the proper application installed. Select one of the programs from the list and install it on your device. The operating system should automatically associate the GM3 file format with the installed program. If not, right click on your GM3 file and select from the menu "Open with" . Then select the installed program and confirm the operation. Now all GM3 files should automatically open with the selected program.