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Microsoft Copilot (Microsoft 365): [Copilot Extensibility] Users in GCC-M will able to use custom engine agents

In development Microsoft Copilot (Microsoft 365) Web

General availability: 2026-08
Preview: —
Added: 24 Sep 2025
Last modified: 31 Jul 2026 21:54 UTC
First archived: 25 Aug 2026
Release rings: General Availability
Clouds: GCC

Description

Users in GCC-M will be able to use custom engine agents.

View on microsoft.com