How to open GGM files
Did your computer fail to open a GGM file? We explain what GGM files are and recommend software that we know can open or convert your GGM files.
What is a GGM file?
The GGM file extension indicates to your device which app can open the file. However, different programs may use the GGM file type for different types of data.
While we do not yet describe the GGM file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.
We are continually working on adding more file type descriptions to the site, so if you have information about GGM files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!
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Generic GGM
These apps are known to open certain types of GGM files. Since many different programs may use GGM files for different purposes, you may need to try a few of the apps to open your specific GGM file.
 | Genogram-Maker Millennium | User submitted |
 | Gigajam Xtractor | User submitted |
Try a universal file viewer
Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.