๐ฃ SharePoint Add-Ins โ Retirement (End of Life) by 2026
Microsoft is retiring the SharePoint Add-In model as part of the modernization of the Microsoft 365 platform and its shift toward modern, secure, and high-performance extensibility models such as the SharePoint Framework (SPFx).
Teamsware solutions are NOT affected!
๐๏ธ Key Dates
- March 1, 2024: No new Add-Ins accepted for marketplace listing.
- July 1, 2024: Add-Ins can no longer be acquired from the public marketplace.
- November 1, 2024: New Microsoft 365 tenants can no longer use SharePoint Add-Ins.
- April 2, 2026: Full retirement โ all SharePoint Add-Ins stop working for all tenants.
๐งฉ What is affected?
- SharePoint-hosted Add-Ins (JavaScript-based)
- Provider-hosted Add-Ins (externally hosted, ACS-based)
๐ What remains supported?
- SharePoint Framework (SPFx): remains the recommended, modern, and supported extensibility platform. It is not affected by this retirement.
๐ ๏ธ Recommended Actions
- Assessment: Identify existing Add-In usage using internal or tenant assessment tools.
- Plan migration: Transition to SPFx or comparable modern solutions.
- Contact vendors: Request updated versions that no longer rely on the Add-In model.
โ FAQ
๐ Why is Microsoft retiring SharePoint Add-Ins?
To promote modern, secure, and future-ready extensibility models โ especially SPFx.
๐ง What should I do if I am still using Add-Ins?
Migrate early to SPFx-based solutions or SaaS integrations to avoid service interruption.
๐ Will there be an extension beyond 2026?
No. Microsoft has confirmed that April 2, 2026 is the final retirement date with no extensions.
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