Project Online retires in months, not years.

Microsoft retires Project Online on September 30, 2026 - after that, access to the service and its data ends. The pain started earlier: SharePoint 2013 workflows that power approvals died on April 2, 2026. PMOs that wait for autumn are already limping.

--days until Project Online retires and access ends

Project Online watch - live

Key dates

Oct 1, 2025No new Project Online-only sales
Apr 1, 2026New Project Web App site creation blocked
Apr 2, 2026SharePoint 2013 workflows shut off - approvals break
Sep 30, 2026Project Online retires - access and data end

Why it happened: Microsoft is consolidating project work into Planner (with premium Project features), Project Server Subscription Edition for on-prem, and Dynamics 365 Project Operations for enterprises.

What to switch to

Planner + Project Plan 3/5

The official successor: portfolios, baselines, dependencies, Gantt.

Per-user M365 add-onBest if staying inside Microsoft 365

Project Server Subscription Edition

On-premises continuation for regulated environments.

Server licensingBest if on-prem requirements

Dynamics 365 Project Operations

Enterprise projects tied to finance and resourcing.

Per-user, enterpriseBest if project + financials in one

Smartsheet

Spreadsheet-style PPM with strong reporting.

Per-userBest if PMOs that live in grids

monday.com / Wrike

Modern work management with portfolio views.

Per-userBest if teams wanting a lighter tool

Options listed alphabetically by fit, not ranked - pick by your constraint (price, stack, control). No winner is declared.

How to migrate

Export project plans, baselines, resource assignments, custom fields, timesheets, risks and reporting data now.
If approvals or stage-gates ran on SharePoint 2013 workflows, rebuild them in Power Automate first - they are already dead.
Pilot Planner premium (or your chosen tool) on 2-3 live projects before the autumn crunch.
Cut over well before September 30, 2026 - there is no grace period on data access.

Sources

Microsoft Community Hub - official retirement notice Wellingtone - migration guide

More shutdowns

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Facts current as of July 2026 - dates come from official announcements (see sources). Always verify against the vendor before making migration decisions.

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