M365 Change Tracker

← All changes · feature

Launched

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

Why it matters: In preview

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. This feature only works for emails on or after 1/1/2025. #copilotcontrolsystem

Target August CY2025Cloud WorldwidePlatform WebSource updated 2025-09-11

Affected: Microsoft Copilot (Microsoft 365), Microsoft Purview

View at Microsoft →