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

Vendor: Microsoft
Product: Microsoft 365, Microsoft 365 Copilot
Type: Availability
Announcement date: 2026-05-12
Effective date: Date not published
Impact: Affected

In brief

What the source says

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

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Who is affected: The audience described by the Microsoft update is represented by: Microsoft Purview: Data Loss Prevention to restrict processing external emails in Microsoft 365 Copilot and Copilot Chat 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 In development General Availabi

Why it matters: The change matters because the official source describes: Microsoft Purview: Data Loss Prevention to restrict processing external emails in Microsoft 365 Copilot and Copilot Chat 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 In development General Availabi

Urgency: Monitor

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Raw capture
2026-08-29T09:22:49.319599+00:00
Event
Microsoft Purview: Data Loss Prevention to restrict processing external emails in Microsoft 365 Copilot and Copilot Chat 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 In development General Availability Preview Worldwide (Standard Multi-Tenant) Microsoft Purview Web
source
Product Microsoft 365
Microsoft Purview: Data Loss Prevention to restrict processing external emails in Microsoft 365 Copilot and Copilot Chat 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 In development General Availability Preview Worldwide (Standard Multi-Tenant) Microsoft Purview Web
source
Product Microsoft 365 Copilot
Microsoft Purview: Data Loss Prevention to restrict processing external emails in Microsoft 365 Copilot and Copilot Chat 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 In development General Availability Preview Worldwide (Standard Multi-Tenant) Microsoft Purview Web
source
Insight a salesperson
Microsoft Purview: Data Loss Prevention to restrict processing external emails in Microsoft 365 Copilot and Copilot Chat 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 In development General Availability Preview Worldwide (Standard Multi-Tenant) Microsoft Purview Web
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