DMT File

What are DMT files and how to open them

Are you having problems opening a DMT file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your DMT files.

What is a DMT file?

DMT files have multiple uses, and DeLorme Street Atlas Map Transfer is one of them. Read more about the other uses further down the page.

DeLorme Street Atlas Map Transfer

.dmt files are files used in DeLorme Street Atlas Map, a navigation software used in travel and deliveries. The .dmt files contain data that users can transfer to another device, such as a computer using the DeLorme Street Atlas Map. This software is obsolete and DeLorme has been acquired by Garmin.

How to open DMT files

We have identified one DMT opener that is compatible with this specific type of DMT file.

Programs that open DeLorme Street Atlas Map Transfer files

Last updated: February 24, 2023

All known file formats using extension .DMT

While DeLorme Street Atlas Map Transfer is a popular type of DMT-file, we know of 2 different uses of the .DMT file extension. Different software may use files with the same extension for different types of data.

PTC Creo Appearance Settings

We know that one DMT format is PTC Creo Appearance Settings. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

While we have not verified the apps ourselves yet, our users have suggested ten different DMT openers which you will find listed below.

Various apps that use files with this extension

These apps are known to open certain types of DMT files. Remember, different programs may use DMT files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about DMT file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.