Security and IT admins can increase domain-level control with the Tenant Allow/Block List feature in the Microsoft Defender portal to block domains for Microsoft Teams. This post was published previously with incorrect information and has been corrected. We apologize for the inconvenience.
Roadmap › 492985
Microsoft Teams integration with Microsoft Defender for Office Tenant/Allow Block List for domains
- General availability
- 2025-12
- Preview
- —
- Added
- 14 May 2025
- Last modified
- 17 Dec 2025 00:15 UTC
- First archived
- 25 Aug 2026
- Release rings
- General Availability, Targeted Release
- Clouds
- Worldwide (Standard Multi-Tenant)