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Project Online to
OnePlan Migration Guide
for Microsoft 365 PMOs

A practical, low-risk playbook to migrate portfolios, projects, data and reporting to OnePlan — while your teams keep working across Microsoft 365.
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How to Migrate from
Project Online
to OnePlan in Five Steps

Your transition path, from assessment to rollout

Assess

Map

Pilot

Migrate

Optimize

Most migrations take 2–6 weeks depending on portfolio size. OnePlan’s structured migration approach ensures continuity and predictable outcomes.
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Key Facts About Migrating from Project Online to OnePlan

Objective
Inventory systems, dependencies and readiness
Outcome
Strong governance, consolidated reporting,I Ainsights
Timeframe
2–6 weeks
Tools
Microsoft 365, Teams, Planner, Project for the web, Azure DevOps
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New to the steps? Start with
our Project Online readiness checklist.

What's Included in the Project Online to OnePlan Migration Guide

  • Scope & readiness assessment
  • Data model & field mapping
  • Pilot migration plan
  • Phased rollout strategy
  • Training, change management, cutover
  • Reporting rebuild and optimization
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Step-by-Step Migration Playbook for Project Online to OnePlan

Assess
  • Review data model and custom fields
  • Assess integrations
  • Capture reports/dashboards
  • Confirm security & roles
Map
  • Align fields with OnePlan
  • Map governance & workflows
  • Define portfolios & programs
  • Confirm reporting needs
Pilot
  • Select test portfolio
  • Validate migrated data
  • Test dashboards/workflows
  • Adjust mapping
Migrate (Phased)
  • Roll out BU/program groups
  • Apply governance & templates
  • Parallel reporting if needed
  • Validate accuracy
Optimize
  • Train PMs & teams
  • Improve dashboards/Power BI
  • Enable AI forecasting/scenarios
  • Finalize governance
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Project Online to OnePlan Data Mapping Checklist

  • Project metadata (title, owner, RAG, lifecycle, goals)
  • Dates & schedules (baseline, milestones)
  • Financials (CapEx/OpEx, categories, forecasts, actuals)
  • Resources (roles, skills, allocations, capacity)
  • Risks, issues, dependencies
  • Custom fields & lookups
  • Documents & links (SharePoint, Teams)
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Project Online → OnePlan Field Mapping Examples

Project Online
OnePlan Mapping Examples
  • Enterprise project type
  • Portfolio type
  • Enterprise custom fields
  • OnePlan data fields
  • Resource center
  • Resource plans
  • Project center views
  • Portfolio views
  • OLAP/Excel reports
  • Power BI dashboards
  • SharePoint tasks
  • OnePlan work plan

Project Online → OnePlan Field Mapping Examples

Project Online
  • Enterprise project type
  • Enterprise custom fields
  • Resource center
  • Project center views
  • OLAP/Excel reports
  • SharePoint tasks
OnePlan Mapping Examples
  • Portfolio type
  • OnePlan data fields
  • Resource plans
  • Portfolio views
  • Power BI dashboards
  • OnePlan work plan

Project Online to OnePlan Migration — Frequently Asked Questions

Everything you need to know about the Project Online retirement and migration to OnePlan.

Is migration disruptive?

No. A phased rollout allows teams to continue working while data migrates.

2–6 weeks depending on size and complexity.
Yes. Most structures map directly to OnePlan.
Yes. OnePlan integrates natively with Planner, Microsoft Project, Azure DevOps and Jira.

Get Your Project Online to OnePlan Migration Plan

We help organizations migrate from Project Online using a predictable, phased approach that preserves existing work, improves visibility and delivers a modern portfolio experience inside Microsoft 365.
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