RM570845 - Microsoft Purview: Data Loss Prevention for Microsoft Cowork

Microsoft 365 Roadmap

Summary

Microsoft Purview Data Loss Prevention (DLP) is expanding to Microsoft Cowork, enabling data security admins to use a single policy across Microsoft 365 Copilot and Cowork. The integration helps protect sensitive AI interactions by preventing the use of labeled knowledge sources, blocking prompts that contain supported sensitive information types, and restricting sensitive prompts from being sent to Bing for web search.

Published

Sep 8, 2026

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

Microsoft Purview Data Loss Prevention (DLP) is expanding to Microsoft Cowork, enabling data security admins to use a single policy across Microsoft 365 Copilot and Cowork. The integration helps protect sensitive AI interactions by preventing the use of labeled knowledge sources, blocking prompts that contain supported sensitive information types, and restricting sensitive prompts from being sent to Bing for web search.

GA date: October CY2026

Preview date: September CY2026