M365 Archive

RM561552 - Microsoft Purview: Data Loss Prevention to restrict processing external emails in Microsoft 365 Copilot and Copilot Chat

Microsoft 365 Roadmap

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.

Roadmap ID

561552

View in M365 Roadmap

Last Updated

Jul 20, 2026

Published May 12, 2026

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Status

In development

Release

General Availability
Preview

Platforms

Web

Service

Microsoft Purview

Tag

In development
General Availability
Preview
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

Description

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.

GA date: January CY2027

Preview date: June CY2026

Version history

3 versions tracked

Updated 2 times since May 12, 2026. Microsoft Message Center only ever shows the current version; this archive preserves the history.

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  1. Jul 20, 2026 · 10:37 PMLatest · v3

    Changed: Body

  2. Jun 24, 2026 · 11:15 PMv2

    Changed: Body

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  3. May 12, 2026 · 11:00 PMOriginal · v1

    Changed: Initial version

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