MS Project Desktop is very powerful, but it is not without its flaws, the main one being that it’s challenging to share a project plan with another person who doesn’t have Microsoft Project installed on their computer. If you’ve been working as a PM for any length of time, it will have crossed your path. It’s a favourite of corporate America and governments the world over, and it’s available from Microsoft in a lite online format – Project Online, or as a more heavyweight desktop version – Microsoft Project Desktop ( Professional or Standard versions available). If you’re not familiar with Microsoft Project, it’s a Project Management software tool developed by Microsoft for planning, creating, and managing project plans in every industry imaginable. Why? Because it’s the file format used in Microsoft Project desktop. MPP (.mpp) is one of the most common file extensions in the world of Project Management. MS Project alternatives to open MPP files.Cybersecurity Essentials: Stay Safe and Secure Online.