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) .

Added to roadmap: 5 feb 2026 | Last modified: 25 sep 2026

This is in the weekly digest for week 39 · What changed this week? →