Microsoft Teams: Tenant-Owned Domain Impersonation Protection for Teams Messaging Beta

365 Roadmap Tracker Item 526780

Data as of 2 hours ago (26 October 2026)

This item was no longer present in the roadmap feed as of 18 October 2026. Microsoft removes entries for several reasons — cancelled, merged into another entry, or reorganised — and the feed does not say which.

Status Launched
Release month December 2025
Release ring General Availability
Products Microsoft Teams
Cloud instances Worldwide
Platforms AndroidDesktopMacWebiOS

Description

Identify if an external user comes from a domain that is impersonating the recipient tenant's own domains, during their initial contact with an enterprise user via Teams messages.

Change history

Added to the roadmap 11 November 2025. Tracked here since 1 September 2026. Earliest target we recorded: December 2025 (since tracked — Microsoft may have moved it before we started watching).

Nothing has changed on this item since tracking began on 1 September 2026. Changes appear here as Microsoft updates the feed.

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