Microsoft Whiteboard legacy migration tool retired on 22 August 2026: unmigrated boards will be permanently deleted on 5 September
The Azure-to-OneDrive migration tool closed on 22 August 2026. Unmigrated enterprise whiteboards will be deleted on 5 September 2026.
On 22 August 2026, Microsoft closed the Azure-to-OneDrive migration tool for Microsoft Whiteboard. Any legacy enterprise whiteboards that were not migrated before that date can no longer be moved. Microsoft will permanently delete that unmigrated content on 5 September 2026, and the standalone Whiteboard app will be deprecated on 14 September 2026. There is no recovery path once deletion occurs.
If your organisation has whiteboards created before January 2022, this matters to you right now.
What happened and why
Microsoft has been moving Whiteboard storage from Azure to OneDrive since 2022. From that point, all new whiteboards for commercial customers were created in OneDrive rather than Azure. Older boards, those created before the switchover, remained on Azure and required a separate migration step.
The retirement announced in Microsoft 365 Message Center advisory MC1441775 on 28 July 2026 represents the final phase of that transition. Microsoft is not extending deadlines, and it has been explicit that deleted content cannot be restored under any circumstances.
The move to OneDrive is genuinely beneficial for organisations that complete it. OneDrive-backed whiteboards get revision history, eDiscovery support, improved security controls, and access to new Whiteboard features that Microsoft is building only for OneDrive storage. But those benefits only apply to boards that made it across before the tool closed.
The three dates you need to know
22 August 2026, the migration tool is retired. From this date, no further Azure-to-OneDrive migrations can be triggered or completed. Personal Microsoft account users also lose the ability to create or edit whiteboards from this date.
5 September 2026, Microsoft permanently deletes all remaining legacy Azure-backed whiteboards. The gap between 22 August and 5 September is not a grace period for migration. It is simply the time between the tool closing and the deletion job running. You cannot migrate during that window.
14 September 2026, the standalone Microsoft Whiteboard app is deprecated. After this date, organisations should plan to access Whiteboard through Microsoft Teams rather than the standalone Windows or mobile app.
Who is affected
Three groups face real consequences here.
Enterprise and education customers with whiteboards created before January 2022 are the primary audience. If those boards were not opened in a supported client before 22 August 2026, migration could not be triggered, and the content is now at risk of deletion on 5 September 2026.
Personal Microsoft account users lose the ability to create or edit whiteboards from 22 August 2026. The OneDrive-backed Whiteboard experience is not available to personal accounts, so there is no equivalent destination to migrate to. The practical advice for personal account holders is to export any boards they want to keep as high-resolution PNG files through the Settings menu before 5 September 2026.
Users of the standalone Whiteboard app need to shift to using Whiteboard inside Microsoft Teams. The standalone app deprecates on 14 September 2026.
Whiteboards already on OneDrive-backed storage are not affected by any of this.
How the migration worked (and what admins should know now)
For tenants where migration was enabled, the process was straightforward. Opening an eligible legacy whiteboard in a supported client, Whiteboard for Windows, Whiteboard in Teams on desktop or web, or the web app at whiteboard.microsoft.com, automatically triggered a background migration to OneDrive. Users did not need to manually export and reimport anything. Opening the board was enough.
Two important caveats applied. First, mobile Whiteboard apps did not trigger migration. Users had to access boards through a desktop or web client. Second, migration could only be triggered by the owner of a board. A colleague who could view a shared board could not start the migration process on the owner’s behalf.
This second point created a specific problem for boards whose owners had left the organisation or become inactive. In those cases, an administrator needed to use the WhiteboardAdmin PowerShell module to transfer ownership to an active user, who could then open the board and trigger migration.
For any organisation that did not complete this work before 22 August 2026, the tooling is now gone. The remaining window before 5 September 2026 is time to communicate with affected users and prepare for the possibility that some content will not survive, not time to attempt migration.
What compliance teams should note
The shift to OneDrive storage is broadly positive for compliance. Whiteboard content on OneDrive falls under the same eDiscovery, retention, and access controls that administrators already manage for OneDrive and SharePoint. Boards deleted on 5 September 2026, however, will not become newly discoverable OneDrive records. They will simply be gone, with no audit trail of their contents.
If your organisation had any compliance or records management obligation tied to whiteboard content from workshops, planning sessions, or project reviews created before 2022, and those boards were not migrated, that is a risk worth escalating now.
What to do if you missed the deadline
If your organisation did not complete migration before 22 August 2026, the options are limited but worth pursuing immediately.
Check whether any legacy boards can still be viewed between now and 5 September 2026. If they can, the only remaining option is a manual export. Open the board, go to Settings in the upper-right corner, select Export Image, choose the High Resolution option, and save the PNG. This will not preserve interactivity or collaboration features, but it will capture the visual content.
Escalate any boards with business-critical content to your Microsoft account team or support contact. Microsoft has been clear there is no recovery path, but it is worth confirming whether any tenant-specific options exist.
For everything going forward, plan to access Whiteboard through Microsoft Teams rather than the standalone app, and confirm that new whiteboards are being created in OneDrive-backed storage.
The Microsoft Learn migration documentation and the WhiteboardAdmin PowerShell reference remain useful for understanding what was possible and for any inventory or export work you can still complete before 5 September 2026.