.MNH File Extension
File TypeMaster Navigator Header File
What is an MNH file?
Geoinformation file used by Master Navigator Software, a GIS navigation program; contains information about an associated map image that is saved in .JPG, .PNG, .GIF, or another image format; stores data for the image's geographic projection as well as calibration information.
Map images and MNH files are always coupled together when used by Master Navigation Software.