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Microsoft Purview: Data Loss Prevention to restrict processing external emails in Microsoft 365 Copilot and Copilot Chat

Microsoft 365 Message Center Archive by Merill Fernando

Changes ChangeIntel observed:GA Jan 2027 → Jun 2027 seen 4d ago

Summary

We are expanding Microsoft Purview DLP for Microsoft 365 Copilot and Copilot Chat to safeguard risks from external emails. This real-time control helps organizations mitigate data risks by preventing Microsoft 365 Copilot and Chat from processing emails from senders external to your organization.

Status
In development
General availability target
Jun 2027
Preview target
Jun 2026
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability, Preview
Platforms
Web
Source created
12 May 2026
Source modified
6 Nov 2026 · 5d ago
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 16:19 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current