Microsoft Copilot (Microsoft 365): [Copilot Chat] Updated UI for Microsoft Copilot Navigation Pane in Word, Excel, PowerPoint, OneNote, Outlook, and Teams

Microsoft 365 Roadmap ID: 516570

Status In development

Product Microsoft Copilot (Microsoft 365)

Cloud Instances Worldwide (Standard Multi-Tenant)

Release Phase General Availability

Platforms Desktop Web

Expected Release December 2025

Description

We’re refreshing the Copilot Chat navigation pane to simplify the agents list and increase the visible chat history list beyond a user's five most recent chats with a more prominent chat history search UI.

Change History

Published: October 28, 2025

Last Updated: November 27, 2025

November 27, 2025 at 2:00 AM Updated

Release Date

November CY2025

New

December CY2025

Modified Date

2025-10-28T23:15:02.000Z

New

2025-11-27T00:45:06.000Z

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