LanguageGM4
Autologic bitmap image
File type: Bitmap image file
A gm4 file extension is related to the autologic bitmap image format. Obsolete format.
Found 3 different file type records with the same gm4 filename suffix.
What is gm4 file?
File type category:
Bitmap image file
Date updated: June 23, 2025
The gm4 file extension was also used autologic bitmap image format.
The gm4 file stores bitmap image. (mode 4 gray-scale).
Seems to be obsolete bitmap picture file format without support from developer.
How to open gm4 file?
Use XnView to view content of *.gm4 files.
How to convert gm4 file?
XnView is able to export *.gm4 files to other formats.
Suggested software to open gm4 file:
Associated software actions with the gm4 file
Programs for viewing gm4 files:
XnView MP (Multiplatform)
Software apps that print gm4 files:
XnView MP (Multiplatform)
Heroes of Might & Magic III saved game file
File type category:
Game file
Date updated: November 28, 2012
The GM4 file extension is also related to Heroes of Might & Magic III computer game and used for one of its saved game files.
Suggested software to open gm4 file:
Associated software actions with the gm4 file
Software applications that handle other tasks involving gm4 files:
Heroes of Might & Magic III: The Restoration of Erathia (Microsoft Windows)
S.A.P.S. file
File type category:
Various data file
Date updated: February 18, 2013
The GM4 file extension is also used by Sharp Advanced Presentation Software (S.A.P.S.) for one of its default file.
Suggested software to open gm4 file:
Associated software actions with the gm4 file
Software applications that handle other tasks involving gm4 files:
S.A.P.S. (Microsoft Windows)