Microsoft 365 Roadmap

Microsoft Purview
Data Loss Prevention – Block External Domain/User action in DLP for SharePoint/OneDrive

Feature details and release plans from a build snapshot of Microsoft's official roadmap feed.

All Microsoft 365 updates
Product
Microsoft Purview
Release status
Launched
RSS publication

Feature overview

Block External Domain/User action in Microsoft Purview DLP for SharePoint and OneDrive, gives organizations stronger control over who can access sensitive files. With this enhancement, admins can configure DLP policies that block file access for specific external domains or individual users. This capability helps prevent unintended exposure by external users and supports enterprise compliance requirements.

Expected release date

July CY2026
Preview date: April CY2026

Source: Microsoft 365 Roadmap RSS (build snapshot) Feature ID: 557191

RSS snapshot built . Refreshed on rebuild and deployment.

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