.DMT File Extension
File TypeDeLorme Transfer File
This file is saved in a binary format, which requires a specific program to read its contents.
What is a DMT file?
Packaged project file created by DeLorme software mapping products such as Topo North America; saves a mapping project (.TPX file) but bundles it into a single file that can be used for sharing via email or online.
To import a DMT file in Topo North America, choose.