Endpoint DLP now includes a pre curated list of file extensions for the file extension condition. Previously, file extensions were entered as free form text, which could result in unsupported or non-scannable extensions being used. This could lead to gaps in protection and increase processing overhead on endpoints. With the pre curated list, you can select only supported file extensions. This helps improve policy reliability and reduces unnecessary processing on endpoints.
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Updated September 18, 2026: We have updated the timeline. Thank you for your patience.
What and why
Microsoft Purview Endpoint Data Loss Prevention (DLP) is improving how file extension conditions are configured to help ensure policies are accurate, reliable, and efficient. By limiting file extension selection to supported, scannable file types, this update reduces misconfiguration risk and improves enforcement consistency across endpoints while maintaining existing protection coverage.
This change aligns Endpoint DLP configuration with supported enforcement capabilities and helps admins create policies that behave as expected.
This message is associated with Microsoft 365 Roadmap ID 562993.
Added to roadmap: 27 mei 2026 | Last modified: 18 sep 2026
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