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

Vendor: Microsoft
Product: Microsoft Purview, SharePoint, OneDrive
Type: Availability
Announcement date: 2026-04-02
Effective date: Date not published
Impact: Affected

In brief

What the source says

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. GA date: July CY2026 Preview date: April CY2026 Launched General Availability Preview Worldwide (Standard Multi-Tenant) Microsoft Purview Web

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Who is affected: The audience described by the Microsoft update is represented by: Microsoft Purview: Data Loss Prevention – Block External Domain/User action in DLP for SharePoint/OneDrive 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 complian

Why it matters: The change matters because the official source describes: Microsoft Purview: Data Loss Prevention – Block External Domain/User action in DLP for SharePoint/OneDrive 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 complian

Urgency: Monitor

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Raw capture
2026-08-29T09:22:49.319599+00:00
Event
Microsoft Purview: Data Loss Prevention – Block External Domain/User action in DLP for SharePoint/OneDrive 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. GA date: July CY2026 Preview date: April CY2026 Launched General Availability Preview Worldwide (Standard Multi-Tenant) Microsoft Purview Web
source
Product Microsoft Purview
Microsoft Purview: Data Loss Prevention – Block External Domain/User action in DLP for SharePoint/OneDrive 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. GA date: July CY2026 Preview date: April CY2026 Launched General Availability Preview Worldwide (Standard Multi-Tenant) Microsoft Purview Web
source
Product SharePoint
Microsoft Purview: Data Loss Prevention – Block External Domain/User action in DLP for SharePoint/OneDrive 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. GA date: July CY2026 Preview date: April CY2026 Launched General Availability Preview Worldwide (Standard Multi-Tenant) Microsoft Purview Web
source
Product OneDrive
Microsoft Purview: Data Loss Prevention – Block External Domain/User action in DLP for SharePoint/OneDrive 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. GA date: July CY2026 Preview date: April CY2026 Launched General Availability Preview Worldwide (Standard Multi-Tenant) Microsoft Purview Web
source
Insight a salesperson
Microsoft Purview: Data Loss Prevention – Block External Domain/User action in DLP for SharePoint/OneDrive 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. GA date: July CY2026 Preview date: April CY2026 Launched General Availability Preview Worldwide (Standard Multi-Tenant) Microsoft Purview Web
source

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