.MPT File Extension
File TypeMicrosoft Project Template
This file is saved in a binary format, which requires a specific program to read its contents.
What is an MPT file?
Template for creating a new file in Microsoft Project, a project management program; contains a pre-defined structure that can be used as a starting point for new projects (which use the .MPP file extension).
The default project template file is saved with the filename "Global.mpt."