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  3. Retirements & End of Support

Retirements & End of Support

Features Microsoft is switching off, with the dates and the replacement path.

13 pages

SharePoint Add-In and Azure ACS Retirement

SharePoint Add-Ins stopped working for all tenants on April 2, 2026. Here is what broke, why, and what to do if your tenant is still affected.

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Legacy Whiteboards Deleted on 16 October 2026

Microsoft moved the dates (MC1441775): migration closed 25 September, and unmigrated legacy whiteboards are deleted for good on 16 October 2026.

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Project Online End of Life: September 2026 FAQ

Microsoft Project Online retired on 30 September 2026. The official dates, what happened to the data, and what SharePoint admins can still do about PWA sites.

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SharePoint Remote Event Receivers Retire

All Remote Event Receivers in SharePoint Online stop working on July 1, 2027. Here is what to audit and how to migrate to SharePoint webhooks.

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Illustration: a legacy component powering down as a replacement lights up.

SharePoint Featured Links Removed: What Now

Featured Links were removed from the SharePoint Start Page and mobile app by late June 2026. Where those links belong now, and how to rebuild the navigation.

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Illustration: a countdown marker beside a deprecated block.

SharePoint Designer 2013 End of Support

SharePoint Designer 2013 lost Microsoft support on 14 July 2026. It still runs, unpatched. How to find the workflows depending on it and what replaces them.

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Teams Live Events Retirement: What to Do

Teams Live Events shut down on June 30, 2026. Here is what Microsoft 365 admins must do to protect SharePoint recordings and move broadcasts to Teams Town Hall.

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Illustration: a legacy component powering down as a replacement lights up.

Office Online Server Retires 31 Dec 2026

Office Online Server retires on December 31, 2026, with no extended support path. Here is what SharePoint administrators still running OOS need to do now.

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InfoPath Retired 14 July 2026: What to Do Now

InfoPath Forms Services reached end of support in SharePoint Online on 14 July 2026. What stopped working, what you can still recover, and where forms go next.

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Illustration: a countdown marker beside a deprecated block.

SharePoint OTP Retirement Began, Ends November

SPO OTP retirement (MC1243549) began mid-October 2026 and should finish by end of November. Guests with no B2B account lose access; one new share restores it.

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Illustration: a legacy component powering down as a replacement lights up.

SharePoint Standalone Plans Retiring 2026

Standalone SharePoint plans left sale in June 2026 and access ends in December 2029. What admins on Plan 1 or Plan 2 should check now, and the options left.

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SharePoint Alerts Retirement, July 2026

Classic SharePoint Alerts stopped working in July 2026. The timeline, why notifications stopped, and how to rebuild them with Rules or Power Automate.

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SharePoint IDCRL Auth Blocked Since 1 May 2026

Microsoft retired IDCRL cookie authentication for SharePoint Online on 1 May 2026 (MC1184649). Scripts using legacy auth now fail. Here is what to check.

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