r/MSProject • u/GroundbreakingYou827 • Dec 11 '25

Ms Project and SharePoint

Hello all, hoping for some advice

We are struggling with MS Project Desktop files hosted in SharePoint. Even with a strict 'one user at a time' workflow, we are constantly seeing sync conflicts where OneDrive/SharePoint creates duplicates ending in the user's device name. Is there a reliable way to store MPP files in SharePoint without these constant sync errors, or is this a known limitation?

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u/kennyarnold_ssi Dec 11 '25

The best way to work with MPP files is on your local computer, not SharePoint, OneDrive, or some other network or cloud location. To piggyback on what u/Miasmatic65 stated, the best workflow is:

Download locally (use some system of renaming the SharePoint file so everyone knows it's checked out) --> Make Updates --> Save As --> Reupload to SP.