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 Roadmap ID: 502543

Status In development

Product Microsoft Copilot (Microsoft 365)

Cloud Instances Worldwide (Standard Multi-Tenant)

Release Phase General Availability

Platforms Web

Expected Release March 2026

Description

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

Change History

Published: October 15, 2025

Last Updated: October 15, 2025

No change history available

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