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Microsoft Copilot (Microsoft 365): Copilot Chat in Outlook expands to reason over inbox, calendar, and enterprise data

Why it matters: Generally available

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).

Target January CY2026Cloud WorldwidePlatform Android, Desktop, iOS, Mac, WebSource updated 2026-04-24

Affected: Outlook, Microsoft Copilot (Microsoft 365)

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