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Microsoft Copilot (Microsoft 365): [Copilot Extensibility] Users can explore third-party content in Copilot chat with deep citations and side-by-side previews

Microsoft 365 Message Center Archive by Merill Fernando

Changes ChangeIntel observed:In development → Cancelled seen 4d ago

Summary

Drive Copilot chat engagement for 3P content via deep citations, inline citations, side by side preview experiences.

Note: This roadmap item is no longer accurate and will be removed from the roadmap. We apologize for any inconvenience.

Status
Cancelled
General availability target
Mar 2026
Preview target
Not published
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability
Platforms
Web
Source created
15 Oct 2025
Source modified
6 Nov 2026 · 5d ago
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