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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.
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.
Use XnView to view content of *.gm4 files.
XnView is able to export *.gm4 files to other formats.
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.
Software applications that handle other tasks involving gm4 files:
Microsoft Windows
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.
Software applications that handle other tasks involving gm4 files:
Microsoft Windows
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