Blog · 9 min read ·
ShareProject Server end of support: three paths
Project Online retired on September 30, 2026. Microsoft says projects and associated Project Online data are no longer accessible through the service. Project Server 2016 and Project Server 2019 both reached end of extended support on July 14, 2026, and there is no ESU program for Project Server. Project 2021 and Project 2021 (LTSC) on the desktop both ended on October 13, 2026.
9/30/2026, and its
retirement
announcement says that after that date "you will no longer be able to access your projects or any associated
data within the service." If you are reading this because a Project Web App stopped working, here is what
Microsoft's own
planning
guidance says is gone, and what may still be there.
Gone: PWA pages (Project Center, Resource Center, Timesheets, Project Detail Pages), project data held in the service (schedules, assignments, timesheets, enterprise resources, custom fields), and the REST, CSOM, JSOM, ProjectData and OData endpoints — so Power BI reports and Power Automate flows built on Project Online break with it. Project desktop keeps working on its own, but can no longer connect to Project Online.
Possibly still there: ordinary SharePoint content that never depended on Project Online — documents, non-PWA lists and libraries in connected project sites. Microsoft says that content can have a separate lifecycle under normal SharePoint retention and permissions, but that there is no supported process to convert a PWA site collection into a standard SharePoint site. Test what you can still reach, and copy what you need to keep somewhere you control.
Microsoft's guidance describes no grace period and no recovery route, and it labels itself "for planning purposes only." If you had not finished moving, start with the inventory at the end of this post and talk to your Microsoft account team about anything the service still held. The rest of this post — three paths off Project Server — is unchanged in substance; only the tense has moved.
If you are running Project Server 2016 or 2019, the runway is already gone. Both versions reached
end of extended support on July 14, 2026. Microsoft's lifecycle tables record an Extended End Date of
7/15/2026 6:59:59 AM Pacific for each — that is the timestamp boundary, so July 14 is the last full day.
There is no Extended Security Updates program for Project Server at any price.
That much is a normal end-of-support story, and if it were the whole story the answer would be the usual one: pick the cloud destination and go. It is not the whole story, and the reason is the part most teams discover in week three.
The destination most teams named first has already retired
Ask a team what replaces on-premises Project Server and the first answer has almost always been Project Online. It was the obvious name: the Microsoft-branded cloud version of the thing they already ran.
Project Online retired on September 30, 2026, eleven weeks after Project Server 2016 and 2019 left support on July 14. The destination outlived the thing teams were leaving by less than a quarter — and since April 1, 2026, existing customers could not even create a new Project Online tenant or a functional new PWA instance to move into.
This was never a subtle trap. It was a published date on a public lifecycle page, and it inverted the entire migration plan. A Project Server–to–Project Online project scoped in good faith in the spring would have landed its users on a platform that retired before the change management finished. Anyone who made that move now has the second migration in front of them, and per Microsoft, no access to the data through the service it was moved into.
It was also easy to miss, and that was not the reader's fault. Microsoft's roundup of products ending support in 2026 lists Project Server 2016, Project Server 2019, Project 2021 and Project 2021 (LTSC) — and, re-checked on October 6, 2026, still does not mention Project Online anywhere on it. If a summary page is where your organization checks dates, the one Project product without a listed successor is also the one you will not see. Treat a product's own lifecycle listing as the source and the roundup as a convenience.
Path one: Planner
Microsoft's forward path for work and project management is Planner, into which it has consolidated Project for the web, the older Planner, and To Do. For most mid-market organizations coming off Project Server this is the right destination, for the ordinary reason: it is where the vendor's investment is going, and it is the only option on this list with no published end date attached to it.
The honest caveats. It is not a like-for-like replacement for a mature Project Web App — the scheduling engine, enterprise custom fields, resource-pool semantics and timesheet model are not the same, and a portfolio built around Project Server's reporting contract will not lift cleanly. Licensing is its own conversation: what Planner Plan 1 buys versus Planner and Project Plan 3 decides whether the destination can actually hold your use case. Establish that before the migration, not after, because it is the question that most often reopens a closed scope.
Path two: Project Server Subscription Edition, on-premises
Staying on-premises is a real path, and for organizations with genuine data-sovereignty or regulatory constraints it is sometimes the only one. Project Server Subscription Edition is supported and is the on-premises continuation.
But price it honestly, because it is not a Project decision. Project Server ships inside the SharePoint Server Enterprise installer. It is not a separate product with a separate install; its files arrive in the SharePoint Enterprise MSI, and it can only be enabled on the Enterprise edition — never Standard. Project Server Subscription Edition requires SharePoint Server Subscription Edition Enterprise underneath it.
So this path is a SharePoint Enterprise licensing and upgrade project wearing a Project-shaped label. And SharePoint Server 2016 and 2019 went out of support on the same day, July 14, 2026 — which means the farm underneath your Project Server is in exactly the same position. If the database tier is SQL Server 2016, that went out of support that day too. Three tiers, one date. Scope all three together or the third one arrives as a change order.

Path three: off the Microsoft PPM stack
The third path is leaving. If your organization's Project Server usage is really scheduling and portfolio reporting rather than deep Microsoft integration, the migration budget you are about to spend is also a reasonable moment to ask whether a third-party portfolio platform fits better. That is a genuine option and we will say so when it is the right answer — we take no resale margin on any destination in this post, including Microsoft's.
One Microsoft-side variant belongs here too. Microsoft's own retirement announcement names Dynamics 365 Project Operations as an option for organizations that need robust timesheet management and resource scheduling, with project financials attached. If the timesheet was the real reason Project Server existed, that is the comparison to make before defaulting to Planner.
The test is integration depth. If Project data feeds Power BI models, Entra-governed permissions and SharePoint-hosted project sites that the business actually uses, leaving is expensive. If Project Web App is effectively a scheduling tool with a resource pool attached, it is not.
Don't forget the desktop, which has its own date
The server is not the only surface with a 2026 date on it. Project 2021 and Project 2021 (LTSC) both ended on October 13, 2026 — and they got there by different mechanisms, which is worth understanding because it changes what "end" means.
- Project 2021 follows the Modern Lifecycle Policy and carries a
Retirement Date of
10/14/2026 6:59:59 AMPacific. - Project 2021 (LTSC) follows the Fixed Lifecycle Policy and reached its Mainstream End Date on the same timestamp — with no Extended phase listed at all.
For the LTSC build in particular, there is no extended-support tail to fall back on. Mainstream end is the end. Teams that bought LTSC precisely to avoid a subscription are the ones most likely to assume an extended phase exists here, and on this product it does not.
What to do this month
The first task is not a migration, it is an inventory — and it is smaller than it sounds.
- Establish which surface you are actually on. Project Server 2016, Project Server 2019, Project Online, Project Professional on the desktop, or Planner. Organizations frequently run two of these at once and have only budgeted for one.
- Write down which date binds each one. July 14 2026 (Project Server), September 30 2026 (Project Online) and October 13 2026 (Project 2021 on the desktop) are three different clocks on three different surfaces, and they are not interchangeable.
- If you were on Project Online, salvage first. Check which SharePoint content in your PWA and connected project sites is still reachable, copy what you need to keep, and list every report, flow and script that pointed at Project Online endpoints — those are broken now and each needs a replacement or a retirement decision.
- Check the tiers underneath. The SharePoint farm and the SQL instance. On this stack they usually share the July 14 date, and finding that out late is what turns a Project migration into three.
- Inventory the customization tail before estimating. Custom fields, lookup tables, enterprise calendars, timesheet configuration, and the permission mode the farm is in. This is the scheduling variable, not the project count.
- Then pick the destination — and check the destination's own lifecycle page before you commit to it. Its own page, not a summary or a roundup: the roundup is where Project Online is missing. That single step is what this whole post exists to make routine.
Sources and further reading
- Microsoft Lifecycle — Project Server 2016 (Extended End Date 7/15/2026 6:59:59 AM PT)
- Microsoft Lifecycle — Project Server 2019 (Extended End Date 7/15/2026 6:59:59 AM PT)
- Microsoft Lifecycle — Project Online (Retirement Date 9/30/2026 8:00:00 AM, Modern Lifecycle Policy)
- Microsoft — products ending support in 2026 (checked August 19 and October 6, 2026: lists Project Server 2016, Project Server 2019, Project 2021 and Project 2021 (LTSC); does not list Project Online)
- Microsoft Planner Blog — Microsoft Project Online is retiring: What you need to know (the retirement announcement linked from the lifecycle listing; read October 6, 2026)
- Microsoft Learn — Prepare for Project Online retirement (last updated August 21, 2026; what stops working, data, SharePoint content, APIs, desktop connectivity)
- Microsoft Lifecycle — Project 2021 (Retirement Date 10/14/2026, Modern Lifecycle Policy)
- Microsoft Lifecycle — Project 2021 (LTSC) (Mainstream End Date 10/14/2026, Fixed Lifecycle Policy, no Extended phase)
The 30-second version
Project Server 2016 and 2019 ended support on July 14, 2026, and there is no ESU program. Project Online retired on September 30, 2026, and Microsoft says its projects and data are no longer accessible through the service — so it is not a destination, and if you were on it, salvage what SharePoint content you can and replace what pointed at it. Three real paths — Planner for most, Project Server Subscription Edition where sovereignty demands it (priced as the SharePoint Enterprise decision it actually is), or off the Microsoft PPM stack entirely, with Dynamics 365 Project Operations worth a look where timesheets were the point. The desktop has its own date: October 13, 2026, and Project 2021 (LTSC) has no extended phase behind it. Inventory the surface, the date that binds it, and the tiers underneath — then pick a destination and check its lifecycle date first.
If you'd like a senior engineer to walk through it with you, the project intake form takes about three minutes. We'll come back with scope and a fixed-fee range.
Service detail: Microsoft Project consulting — scoping the move off Project Server, and choosing a destination whose own retirement date is further out than the one you are leaving.
Pro IT NW does senior-led Microsoft project work. Vendor-neutral. Labor-only. Based in Seattle, delivered USA-wide. We don't take resale margins on Microsoft licensing or on any of the destinations in this post.
Questions we get asked
- When did Project Server 2016 and 2019 reach end of support?
- Both reached end of extended support on July 14, 2026. Microsoft's lifecycle tables show an Extended End Date of 7/15/2026 6:59:59 AM Pacific for each, which is the timestamp boundary — July 14 is the last full day of support. Project Server 2016 left mainstream support on July 14, 2021; Project Server 2019 left mainstream on January 10, 2024, so it spent only two and a half years on extended support. There is no Extended Security Updates program for Project Server at any price, unlike SQL Server 2016 which has a paid ESU ladder. An unmigrated Project Server farm is receiving no security updates today.
- Can Project Online still be a destination for Project Server data?
- No. Project Online retired on September 30, 2026 — Microsoft's lifecycle listing records the Retirement Date as 9/30/2026 under the Modern Lifecycle Policy, and its retirement announcement says the service is no longer available after that date. Even before then it had stopped being an option for a new move: from April 1, 2026, existing customers could no longer create new Project Online tenants or functional new PWA instances. The transition options Microsoft itself names are Planner, Project Server Subscription Edition, and Dynamics 365 Project Operations.
- What happens to Project Online data now that it has retired?
- Microsoft's planning guidance says projects and associated Project Online service data — schedules, assignments, timesheets, enterprise resources, calendars, custom fields, portfolio analyses — are no longer accessible through Project Online after retirement. PWA pages such as Project Center, Resource Center and Timesheets stop working, and the REST, CSOM, JSOM, ProjectData and OData endpoints become unavailable, so any Power BI report or Power Automate flow built on them breaks. Ordinary SharePoint content that does not depend on Project Online — documents, non-PWA lists and libraries — can have a separate lifecycle under normal SharePoint retention and permissions, but Microsoft says there is no supported process to convert a PWA site collection into a standard SharePoint site. Project desktop keeps working as a standalone product but can no longer connect to Project Online. Microsoft's guidance describes no grace period or recovery route; if you have not moved yet, test what is still reachable and talk to your Microsoft account team.
- Is Project Online listed on Microsoft's page of products ending support in 2026?
- No. Microsoft's 'Products ending support in 2026' roundup did not contain the string 'Project Online' when we first checked on August 19, 2026, and still did not when we re-checked on October 6, 2026 — after the retirement date had passed. It does list four other products with Project in the name: Project Server 2016 and Project Server 2019 under 'Products reaching End of Support' at July 14, 2026; Project 2021 under 'Product Retirements' at October 13, 2026; and Project 2021 (LTSC) under 'End of Support' at October 13, 2026. The Project Online retirement date is published — it is on Project Online's own lifecycle page, as a Retirement Date of September 30, 2026 under the Modern Lifecycle Policy. The practical lesson is that a roundup page is a convenience, not the source. Check the destination product's own lifecycle listing before you commit a migration to it.
- Project Online, Project Server, Project 2021 — which one am I on, and which date binds it?
- Four different products share the name, and they carry three different dates. Project Server 2016 and Project Server 2019 are the on-premises server products; both reached end of extended support on July 14, 2026, and there is no ESU program for either. Project Online was the Microsoft-hosted cloud service; it retired on September 30, 2026 under the Modern Lifecycle Policy. Project 2021 and Project 2021 (LTSC) are the desktop clients, and both ended on October 13, 2026. Organizations frequently run two of these at once — a server farm plus desktop clients, or a cloud tenant plus desktop clients — and have budgeted for one. Establish which surface each user is actually on before you pick a date to plan against.
- What are the three paths off Project Server?
- One: Planner, which is where Microsoft has consolidated Project for the web, Planner and To Do — the supported cloud destination. Two: Project Server Subscription Edition on-premises, which is a real path but is gated behind a SharePoint Server Subscription Edition Enterprise licensing and upgrade decision, because Project Server ships inside the SharePoint Enterprise installer rather than as a separate product. Three: off the Microsoft PPM stack entirely, onto a third-party portfolio platform. Microsoft also names Dynamics 365 Project Operations for organizations whose real need is timesheets and resource scheduling. Project Online is not a path at all; it has already retired.
- Why does the Project Server decision depend on a SharePoint decision?
- Because Project Server is not a standalone installation. Its files ship inside the SharePoint Server Enterprise MSI and it can only be enabled on the Enterprise edition, never Standard. The same holds for Project Server Subscription Edition against SharePoint Server Subscription Edition Enterprise. So the on-premises Project path is a SharePoint Enterprise licensing and upgrade decision wearing a different name — and SharePoint Server 2016 and 2019 went out of support on exactly the same day, July 14, 2026. Scoping Project separately from the farm is how a Project migration becomes an unplanned SharePoint project in week three.
- What happens to Project Professional on the desktop?
- Project 2021 and Project 2021 (LTSC) both ended on October 13, 2026, but by different mechanisms, and the difference matters. Project 2021 follows the Modern Lifecycle Policy and carries a Retirement Date of 10/14/2026 6:59:59 AM Pacific. Project 2021 (LTSC) follows the Fixed Lifecycle Policy and reached its Mainstream End Date on the same timestamp — with no Extended phase listed at all. For the LTSC build there is no extended-support tail to fall back on; mainstream end is the end.
- How long does a Project Server migration take?
- The dominant scheduling variable is not the project count, it is the customization tail: custom fields, lookup tables, enterprise calendars, timesheet configuration, and whichever permission mode the farm was left in. A Project Web App with a light configuration and a few dozen active projects is a matter of weeks. One with a mature PMO practice, custom fields wired into reporting, and OLAP dependencies is a genuinely different engagement — and usually needs a Project specialist alongside a migration team. Inventory before you estimate.
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Microsoft Project consultantWritten by the team at Pro IT NW · Senior-led Microsoft project consultancy · Seattle and the Pacific Northwest, delivered USA-wide.