RM489221 - Microsoft Purview Compliance Portal: Data Loss Prevention to restrict Microsoft 365 Copilot processing on emails with sensitivity labels

Microsoft 365 Roadmap

Status

Launched

Release

General Availability
Preview

Last Updated

Sep 11, 2025

Published Apr 9, 2025

Platforms

Web

Service

Microsoft Copilot (Microsoft 365)
Microsoft Purview

Tag

Launched
General Availability
Preview
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

Summary

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

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

GA date: August CY2025

Preview date: June CY2025