MPT is an extension used in files that store project templates for Microsoft Project. These are files containing preliminary data on which the project performed by the user will be based. Most of this is information about formatting such a document. Each project created in the program can be saved by the user and used as a template. The default file of this type in Microsoft Project is named global.mpt and is the master template.

Microsoft Project is an application that allows you to manage projects. It is included in some versions of Microsoft Office.