Recorded 23 Oct 2026 at 08:31 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position.
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Microsoft 365 roadmapMicrosoft 365 roadmap
Microsoft Defender for Office 365: Admins can block external users in Microsoft Teams from Defender Portal
Security admins with Defender for Office 365 Plan 1 and above can block external users from sending messages, calls, meetings invitation over Microsoft Teams via the Tenant Allow Block List in Microsoft Defender portal. Updated January 28, 2026: We are pausing rollout at this time as we address an ongoing issue. We apologize for any inconvenience.
What it said
Roadmap ID
542189
Status
Launched
General availability target
February CY2026
Preview target
Not stated
Products
Microsoft Defender for Office 365, Microsoft Teams
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability
Platforms
Web
Added to the roadmap
12 Dec 2025 23:00 UTC
Last changed
24 Feb 2026 00:15 UTC
Source evidence when recorded
Microsoft 365 roadmap
IncompleteRead 23 Oct 2026 at 08:14 UTC
Coverage describes the sources at this observation. A complete read then does not establish their current position.
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