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Roadmap ID 503771 LaunchedGCC High

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

Microsoft 365 Message Center Archive by Merill Fernando

Changes ChangeIntel observed:In development → Launched seen todayGA Dec 2026 → Aug 2026 (likely source date error) seen todayGA Aug 2026 → Dec 2026 seen 36d ago

Microsoft 365 roadmap entry

Summary

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

Status
Launched
General availability target
Aug 2026
Preview target
Not published
Clouds
GCC High
Release phases
General Availability
Platforms
Web
Source created
17 Oct 2025
Source modified
11 Nov 2026 · today
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 16:19 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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