Week in brief

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.

  • Data Lifecycle · Policies and rules
    Create Retention Policies

    Updated Microsoft Purview documentation in Purview/create-retention-policies.md.

  • Information Protection · Labels and classification
    Apply Sensitivity Label Automatically

    Updated Microsoft Purview documentation in Purview/apply-sensitivity-label-automatically.md.

  • Information Protection · Labels and classification
    Apply Sensitivity Label Automatically

    Updated Microsoft Purview documentation in Purview/apply-sensitivity-label-automatically.md.

  • Audit · General
    Audit Log Activities

    Updated Microsoft Purview documentation in Purview/audit-log-activities.md.

  • Updated Microsoft Purview documentation in Purview/deploymentmodels/depmod-secure-by-default-step3.md.

For Purview administrators

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

1

Microsoft Purview | Data Loss Prevention- DLP to restrict processing external emails in M365 Copilot and Copilot Chat

New

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.

6 November 2026
Message CenterMC1301714 on mc.merill.net ↗Stay informed
1

Depmod Secure By Default Step3

Updated

Updated Microsoft Purview documentation in Purview/deploymentmodels/depmod-secure-by-default-step3.md.

5 November 2026
4
2

Audit Log Activities

Updated

Updated Microsoft Purview documentation in Purview/audit-log-activities.md.

7 November 2026

Audit Log Activities

Updated

Updated Microsoft Purview documentation in Purview/audit-log-activities.md.

6 November 2026
1

Create Retention Policies

Updated

Updated Microsoft Purview documentation in Purview/create-retention-policies.md.

5 November 2026