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Microsoft Purview Compliance Portal: Data Loss Prevention: DLP to restrict Microsoft 365 Copilot processing on emails with sensitivity labels

Launched Microsoft Purview Web
General availability
2025-09
Preview
Added
02 Sep 2025
Last modified
17 Jan 2026 01:15 UTC
First archived
25 Aug 2026
Release rings
General Availability
Clouds
GCC, GCC High, DoD

Description

Microsoft Purview Data Loss Prevention (DLP) is extended to preventing Microsoft 365 Copilot from processing emails with sensitivity labels. This feature will allow DLP policies to provide detection of sensitivity labels in emails as enterprise grounding data and restrict access of the labeled emails in Microsoft 365 Copilot chat experiences.

View on microsoft.com