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.

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Last Updated

Nov 6, 2026

Published Sep 8, 2026

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Status

Launched

Release

General Availability
Preview

Platforms

Web

Service

Microsoft Purview

Tag

Launched
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

Version history

3 versions tracked

Updated 2 times since Sep 8, 2026. Microsoft only ever shows the current version; this archive preserves the history.

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  1. Nov 6, 2026 · 11:04 PMLatest · v3

    Changed: Tags, Status

  2. Oct 19, 2026 · 11:15 PMv2

    Changed: Tags, Status

  3. Sep 8, 2026 · 10:57 PMOriginal · v1

    Changed: Initial version