MC1059677 – Microsoft Purview | ​Data Loss Prevention: Restrict Copilot in Office from processing labeled content (archived)

Product:

Copilot, Microsoft 365 Apps, Microsoft 365 Copilot, Purview, Purview Communication Compliance, Purview compliance portal, Purview Data Loss Prevention, Purview Information Protection, SharePoint

Platform:

Online, Web, World tenant

Status:

Launched

Change type:

Feature update, Admin impact

Links:

423483

Details:

Summary:
Microsoft Purview Data Loss Prevention (DLP) will extend to Microsoft 365 Copilot in Word, Excel, and PowerPoint, allowing DLP policies to exclude processing of labeled content by Copilot. Public Preview starts mid-May 2025, with General Availability in late June 2025. No preparation is required other than creating DLP policies and assigning licenses.

Details:
With this new enhancement, Microsoft Purview Data Loss Prevention (DLP) is extended to Microsoft 365 Copilot in Word, Excel, and PowerPoint on canvas surfaces. This feature update will allow DLP policies to identify sensitive documents based on sensitivity labels and exclude processing for Copilot interactions in Microsoft 365 Copilot.
This message is associated with Microsoft 365 Roadmap ID 423483.
[When this will happen:]
Public Preview: We will begin rolling out late mid-May 2025 and expect to complete by early June 2025.
General Availability (Worldwide): We will begin rolling out late June 2025 and expect to complete by late July 2025.
Note: The Public Preview does not support alerts, incident reports, or policy simulation. DLP alerts and policy simulation will be supported at feature General Availability.

Change Category:
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Scope:
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Release Phase:
General Availability, Preview

Created:
2025-04-22

updated:
2025-04-22

Public Preview Start Date

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Task Type

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Docu to Check

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MS How does it affect me

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MS Preperations

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MS Urgency

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MS workload name

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linked item details

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summary for non-techies**

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Direct effects for Operations**

Data Loss Prevention Policy Implementation
Without proper preparation, users may experience disruptions in their workflow as DLP policies restrict Copilot from processing sensitive content, potentially leading to confusion and delays in document creation.
   - roles: End Users, Content Creators
   - references: https://learn.microsoft.com/purview/dlp-create-deploy-policy?tabs=purview, https://learn.microsoft.com/purview/dlp-microsoft365-copilot-location-learn-about?view=o365-worldwide

User Experience with Copilot
If the DLP policies are not adequately communicated or understood, users may find Copilot less effective, as it will not assist with labeled content, leading to frustration and decreased productivity.
   - roles: End Users, IT Support
   - references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=423483, https://learn.microsoft.com/purview/dlp-microsoft365-copilot-location-learn-about?view=o365-worldwide

Configutation Options**

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Data Protection**

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IT Security**

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explanation for non-techies**

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