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Import projects in MPP files into existing projects

Important

Some of the functionality described in this release plan has not been released. Delivery timelines may change and projected functionality may not be released (see Microsoft policy). Learn more: What's new and planned

Enabled for Public preview General availability
Users by admins, makers, or analysts Sep 2025 Mar 2026

Business value

This feature simplifies the import process by allowing MPP file imports directly into an existing project to help make online and offline planning seamless.

Feature details

Previously, importing from an MPP file would create a new project, copying the WBS from the MPP file to the new project. It wasn't possible to import into an existing project. This made it difficult when overall planning was done in Project Operations and individual planning was done offline in Microsoft Project for desktop.

This feature allows users to import MPP files into existing projects to keep overall planning intact. It aligns with the Copy project feature but uses an MPP file for importing.

Users can:

  • Set calendar hours (existing capability)
  • Set the project manager (existing capability)
  • Set schedule mode if override is allowed (existing capability)
  • Select the source MPP file (existing capability)
  • Select the target project (new capability)
  • Choose what to import from the MPP file (new capability)