.H3M File

.h3m is Heroes 3 Map File

Key Features: .H3M File Extension

Features	Description
File Extension	.h3m
Format	N/A
Created by	New World Computing
Category	Game

What is an .H3M file?

Map file for the turn-based strategy game, "Heroes of Might and Magic 3" (also known as "Heroes 3" or "HOMM3"); includes terrain information and the location of objects and characters on the map.

H3M files are referenced by the Heroes 3 game and can be created and edited using the Heroes 3 Map Editor (h3maped.exe).

New World Computing

Game

N/A

How to solve problems with H3M files

Associate the H3M file extension with the correct application. On :
Windows: Right click on any H3M file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.H3M files". Mac: Right click (or Ctrl-click) the H3M 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 .H3M is Heroes 3 Map File. Because only the current version supports the latest H3M file format. Search, therefore, e.g. on the New World Computing manufacturer website after an available .H3M is Heroes 3 Map File update.
To make sure that your H3M file is not corrupted or virus-infected, get the file again and scan it with antivirus software.