.TPX File Extension
File Type 1DeLorme Topo Project File
What is a TPX file?
Project file created by DeLorme Topo North America, a mapping software product; saves a map and may include aerial imagery, points of interest, and other mapping information; can be packaged into a .DMT file for sharing with other Topo NA users.
File Type 2Turbo Pascal 7 Unit
.TPX File Association 2