Microsoft Purview is expanding Data Loss Prevention (DLP) to restrict Microsoft 365 Copilot and Copilot Chat from processing emails from external or untrusted domains. This new admin-configurable DLP control, rolling out in public preview June 2026 and general availability June 2027, excludes external emails from Copilot grounding while maintaining internal data use.
Day in brief
Apply Sensitivity Label Automatically leads 3 Purview updates
6 November 2026 recorded 3 updated Microsoft Purview documentation changes. The most active areas were Information Protection, Audit.
- Apply Sensitivity Label Automatically
Information Protection · Labels and classificationUpdated Microsoft Purview documentation in Purview/apply-sensitivity-label-automatically.md.
- Audit Log Activities
Audit · GeneralUpdated Microsoft Purview documentation in Purview/audit-log-activities.md.
- Auto Label Simulation ResultsInformation Protection · Labels and classification
Updated Microsoft Purview documentation in Purview/auto-label-simulation-results.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
4 updates
Microsoft Purview
1 updateUpdated Microsoft Purview documentation in Purview/auto-label-simulation-results.md.
Updated Microsoft Purview documentation in Purview/apply-sensitivity-label-automatically.md.
Microsoft Purview Audit
1 updateAudit Log Activities
UpdatedUpdated Microsoft Purview documentation in Purview/audit-log-activities.md.