.GM File

The gm file extension is associated with Transport Tycoon computer game, developed by Microprose.

The gm file is basically just renamed *.mid file that can be played in almost any media player.

This gm file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

A gm file extension is associated with the Transport Tycoon computer game from Microprose. A gm file stores game music.

How to open:

Rename the extension from GM to MID and play it in any media player.

How to convert:

Can be exported same as any other MIDI file.