.DMT File Extension
File TypeDeLorme Transfer File
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.
More Information
To import a DMT file in Topo North America, choose
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Programs that open DMT files
Windows
Updated 12/13/2012