Microsoft Copilot (Microsoft 365): Copilot extensibility – Developers can build custom engine agents with the Microsoft 365 Agents SDK
Microsoft lists this Microsoft Copilot (Microsoft 365) roadmap item as In development, with general availability in May 2025.
In development1 version
Facts
- Microsoft id
474445- Status
- In development
- Products
- Microsoft Copilot (Microsoft 365)
- General availability
- May 2025
- Release rings
- General Availability
- Platforms
- Developer
- Cloud instances
- Worldwide (Standard Multi-Tenant)
- Status pages
- Microsoft 365 Copilot status
- First captured by us
- (from our first import of this list)
- Microsoft last modified
- Source
- Microsoft 365 roadmap · open the original at Microsoft
Microsoft says
Developers can use the Microsoft 365 Agents SDK to create custom engine agents.
What Microsoft changed
One version so far. If Microsoft edits it, each change shows here with what was removed and added.
First version we captured ·
As first seen: In development
- Status
- In development
Seen by us · Microsoft's timestamp · Microsoft's page
Related changes
Other changes for Microsoft 365 Copilot
- Microsoft Copilot (Microsoft 365): Discover and act on recommended lead and opportunity actions in Sales agent · In development
- Microsoft 365 Copilot release notes: January 13, 2026
- Microsoft 365 Copilot release notes: January 27, 2026
- Microsoft 365 Copilot release notes: February 24, 2026
- Microsoft 365 Copilot release notes: March 10, 2026
- Microsoft 365 Copilot release notes: March 24, 2026
- Microsoft 365 Copilot release notes: April 7, 2026
- Microsoft 365 Copilot release notes: May 19, 2026
Last updated