Microsoft Project Online is approaching its September 30, 2026 end-of-service date—but what comes next isn't as simple as clicking an upgrade button.

In the first episode of Support Engineering Weekly, we take a deep technical look at what the retirement means for organizations that have spent years building projects, workflows, reporting, integrations, governance and operational processes around Project Online.

We begin with the retirement timeline and clarify what is—and isn't—being retired. From there, we examine one of the biggest misconceptions surrounding the transition: the assumption that Planner Premium is simply a modernized version of Project Online.

The discussion then goes beneath the user interface to explore the architectural differences between basic Planner and Planner Premium, including the role of Micro ...