The Project team is excited to announce that you can now import your Project Desktop files to Project for the web. Once imported, your .mpp files will act as normal Project for the web projects.
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Published Jun 10, 2021
Version 1.0
Blog Post
I need the ability to export as .mpp so i can import .mpp into a new environment. Trying to move all my projects from the default to a new environment and this would help.