.MTF File

File extension mtf is associated with Darkstone, an action role-playing computer game created by French developer called Delphine Software International and released in 1999.

This particular type of  mtf file contains data resources (maps, objects, sprites, sounds) used in the game.

Files with mtf suffix can be found as game data files from Darkstone an action RPG computer game. Resource pack.

How to open:

You can open and vied the contents of .mtf files with Dragon UnPACKer.

How to convert:

It does not seem to be possible to convert these .mtf files to anything else.