.MPX File Extension
File Type 1FoxPro Compiled Menu Program
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is an MPX file?
FoxPro menu program compiled from a .MPR file
File Type 2Microsoft Project Exchange File
.MPX File Association 2
File exported by Microsoft Project, a project management application; saves the project plan in an ASCII text format instead of the .MPP binary format; designed for exchanging project data between different versions of Project as well as with third-party programs.
Several third-party programs can export and import MPX files. The MPXJ Java library can be used for implementing MPX import and export functionality in third-party applications.