Microsoft Copilot (Microsoft 365): Copilot extensibility – Developers can build custom engine agents with the Microsoft 365 Agents SDK Beta
Data as of 1 hour ago (9 September 2026)
Status In development
Release month May 2025
Overdue
Release ring General Availability
Products Microsoft Copilot (Microsoft 365)
Cloud instances Worldwide
Platforms Developer
Description
Developers can use the Microsoft 365 Agents SDK to create custom engine agents. These agents, built on their own AI stack, can be deployed to various platforms, including Microsoft 365 Copilot, Microsoft Teams, and other non-Microsoft channels.
Change history
Added to the roadmap 10 January 2025. Tracked here since 1 September 2026. Earliest target we recorded: May 2025 (since tracked — Microsoft may have moved it before we started watching).
Nothing has changed on this item since tracking began on 1 September 2026. Changes appear here as Microsoft updates the feed.