The File Extensions Database

.MNH File Extension

  • Developer by: Sapper Oy
  • Category: GIS Files
  • Format: Binary

What is an .MNH file?

.MNH is Master Navigator Header 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.

Programs that open Master Navigator Header File
Sapper Oy Master Navigator Software

How to solve problems with MNH files

  • Associate the MNH file extension with the correct application. On :
    Windows: Right click on any MNH file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.MNH files". Mac: Right click (or Ctrl-click) the MNH file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .MNH is Master Navigator Header File. Because only the current version supports the latest MNH file format. Search, therefore, e.g. on the Sapper Oy manufacturer website after an available .MNH is Master Navigator Header File update.
  • To make sure that your MNH file is not corrupted or virus-infected, get the file again and scan it with antivirus software.