There is only one file type that uses the .MMO extension:
Memory Map Overlay File

- Developer Memory-Map
-
Popularity
- Category Misc Files
- Format N/A
Map overlay created with Memory-Map software; used for creating routes, marking GPS points, and plotting real-time location information on a map; can be placed on top of an actual map or chart and navigated using GPS technology.
Software's name | License | Platforms |
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Updated: May 17, 2008