The File Extensions Database


.MN3 File Extension

  • Developer by: Interplay Entertainment Corporation
  • Category: Game Files

What is an .MN3 file?

.MN3 is Descent 3 mission data

The mn3 file extension is mainly related to Descent 3 computer game and used for one of its data resource files.

The mn3 file contains game mission data. Some sort of data archive.


How to open:

You can extract these files using Dragon UnPacker.

How to convert:

Probably cannot be converted to other formats.

How to solve problems with MN3 files

  • Associate the MN3 file extension with the correct application. On :
    Windows: Right click on any MN3 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.MN3 files". Mac: Right click (or Ctrl-click) the MN3 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 .MN3 is Descent 3 mission data. Because only the current version supports the latest MN3 file format. Search, therefore, e.g. on the Interplay Entertainment Corporation manufacturer website after an available .MN3 is Descent 3 mission data update.
  • To make sure that your MN3 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.