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How to import a Microsoft Project MPP file

Last updated: 7 May 2026

What this does

Import a Microsoft Project .mpp file into IMPACT so project structure, tasks, dates, and planning data can be reviewed before creating the project in impact-web.

Current access and functionality

  • Verified against the current impact-web, impact-client, and impact-marketplace code on 2026-05-07.
  • MPP import is available in impact-web when the deployment has the MPP import feature enabled.
  • The import flow is reached from project creation options and uses a dedicated project import page.
  • Users need project creation permission in the selected company or workspace.
  • The flow uploads an .mpp file for parsing, polls import progress, previews transformed project data, and then imports the project after review.
  • Import is not available in impact-client or impact-marketplace.

How to import

  1. Open Projects in impact-web.
  2. Choose the project creation option for importing an MPP file.
  3. Select the company or workspace that should own the imported project.
  4. Upload a valid .mpp file.
  5. Wait for parsing to complete.
  6. Review the preview, including task structure, dates, and summary statistics.
  7. Confirm the import when the preview matches the source plan.
  8. Open the imported project and review assignments, milestones, dependencies, and schedule health.

Review checklist

  • Confirm the imported project belongs to the correct company or workspace.
  • Compare key dates against the original Microsoft Project file.
  • Review task hierarchy and milestone placement.
  • Check owner, assignee, and project manager fields after import.
  • Run project planning checks or auto-scheduling only after confirming the imported structure.

Common issues

  • Issue: The import option is missing. Fix: Confirm the deployment has MPP import enabled and the user has project creation permission.
  • Issue: Parsing does not finish. Fix: Check the file format, file size, and whether the source .mpp file is valid.
  • Issue: Imported dates differ from the source plan. Fix: Review calendar assumptions, dependencies, and baseline settings before using the project operationally.
  • Issue: Staff cannot import a file. Fix: MPP import follows project creation permissions and is admin or project-manager oriented.

Related

Keywords: projectsproject-import