Microsoft Copilot (Microsoft 365): Copilot Chat in Outlook expands to reason over inbox, calendar, and enterprise data
Copilot Chat in Outlook expanding to support reasoning over a user’s entire inbox, calendar and other enterprise data for Microsoft 365 Copilot Chat users (without a Microsoft 365 Copilot license).

| Product | Outlook |
|---|---|
| Release phase | General Availability |
| Release date | January CY2026 |
| Platform | Web |
| Cloud Instance | Worldwide (Standard Multi-Tenant) |
| Created | 2025-11-19 |
| Roadmap ID | 531910 |
| Roadmap Link | https://www.microsoft.com/microsoft-365/roadmap?id=531910 |

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