There are 2 other file types using
the GM4 file extension!

empty icon.gm4 - Heroes of Might & Magic III saved game file

empty icon.gm4 - S.A.P.S. file

Detailed description

Software that works with gm4 file extension

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GM4 file extension - Autologic bitmap image

What is gm4 file? How to open gm4 files?

File type specification:

Bitmap image file type icon Bitmap image file type

gm4 file icon: gm4 filetype icon

The GM4 file extension was also used autologic bitmap image (mode 4 gray-scale). Most likely no longer used.

Help how to open GM4 files:

Currently there is no specific information available, about how to open this bitmap file type.
For general information try to look at:
Basic info how to open bitmap images

How to convert file with extension GM4:

There is no specific information in the database, about how to convert this file extension.
For general information try to look at:
Basic info how to convert bitmap files

List of recommended software applications associated to the .gm4 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open gm4 file, edit gm4 file, convert gm4 file, view gm4 file, play gm4 file etc. (if exist software for corresponding action in's database).

  • View gm4 file

gm4 file viewer - programs that view gm4 file - Autologic bitmap image

Click on the link to get more information about XnView MP for view gm4 file action.


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GM file extension > Bitmap image file types

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