Microsoft 365 Roadmap

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

Feature details and release plans from a build snapshot of Microsoft's official roadmap feed.

All Microsoft 365 updates
Product
Microsoft Copilot (Microsoft 365)
Release status
In development
RSS publication

Feature overview

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) .

Expected release date

October CY2026

Source: Microsoft 365 Roadmap RSS (build snapshot) Feature ID: 554934

RSS snapshot built . Refreshed on rebuild and deployment.

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