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RM503771Microsoft Copilot (Microsoft 365): [Copilot Extensibility] Users in GCC-H will be able to use custom engine agents

Summary

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

Description

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

GA date: December CY2026

Version history

3 versions tracked

Updated 2 times since Oct 17, 2025. Microsoft 365 Message Center only shows the current version; this archive preserves tracked history.

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  1. Oct 5, 2026 - 11:03 PMLatest - v3

    Changed: Body

  2. Jul 31, 2026 - 09:54 PMv2

    Changed: Body

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  3. Oct 17, 2025 - 10:00 PMOriginal - v1

    Changed: Initial version

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