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.
Create Retention Policies leads 8 Purview updates
Week of 2 November 2026 recorded 8 updated Microsoft Purview documentation changes. The most active areas were Information Protection, Audit, Purview.
- Create Retention Policies
Data Lifecycle · Policies and rules
Updated Microsoft Purview documentation in Purview/create-retention-policies.md.
- Apply Sensitivity Label Automatically
Information Protection · Labels and classification
Updated Microsoft Purview documentation in Purview/apply-sensitivity-label-automatically.md.
- Apply Sensitivity Label Automatically
Information Protection · Labels and classification
Updated Microsoft Purview documentation in Purview/apply-sensitivity-label-automatically.md.
- Audit Log Activities
Audit · General
Updated Microsoft Purview documentation in Purview/audit-log-activities.md.
- Depmod Secure By Default Step3
Purview · General
Updated Microsoft Purview documentation in Purview/deploymentmodels/depmod-secure-by-default-step3.md.
Review the linked Microsoft Learn changes that apply to your managed platforms, policies, applications, and rollout plans. The archive preserves the source diff for verification.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
Updates this week
Microsoft Purview
2 updatesUpdated Microsoft Purview documentation in Purview/deploymentmodels/depmod-secure-by-default-step3.md.
Updated Microsoft Purview documentation in Purview/auto-label-simulation-results.md.
Updated Microsoft Purview documentation in Purview/apply-sensitivity-label-automatically.md.
Updated Microsoft Purview documentation in Purview/apply-sensitivity-label-automatically.md.
Updated Microsoft Purview documentation in Purview/sensitivity-labels-sharepoint-onedrive-files.md.
Microsoft Purview Audit
2 updatesAudit Log Activities
UpdatedUpdated Microsoft Purview documentation in Purview/audit-log-activities.md.
Audit Log Activities
UpdatedUpdated Microsoft Purview documentation in Purview/audit-log-activities.md.
Create Retention Policies
UpdatedUpdated Microsoft Purview documentation in Purview/create-retention-policies.md.
