The Outlook Copilot Chat interface is updated with the navigation pane moved from right to left, aligning with other Microsoft 365 apps. It includes access to agents, conversation history, and a new All Conversations page. The rollout begins mid-August 2025, requires no admin action, and aims to improve usability.
Applies to: Microsoft 365 suite
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).