Understanding MPP, MPX & XER Files Can Save Developers Weeks of Work
Last Updated: 07 oct, 2025
As a developer, you’ve probably been there. A client asks for a “simple” integration with their project management software. All you need to do is extract some data from a project file. How hard can it be? Weeks later, you’re deep in a rabbit hole of cryptic binary formats and complex data relationships, realizing the “simple” task has derailed your entire sprint. The culprit? A lack of understanding of project management file formats.