Microsoft Teams: Control External Access by Domain for Specific Users and Groups Beta
Data as of 2 hours ago (9 September 2026)
Description
Gain granular control over external communication. By setting custom External Access policies, you can define domain allow/deny lists and assign them to specific users or groups - capabilities that were previously tenant-wide only ("Teams and Skype for Business users in external organizations"). Use this to pilot with a department, restrict high‑risk roles to approved partners, or open federation broadly where appropriate. Example: Allow Group A to communicate only with a specific domain, while Group B can communicate with all external domains.
Change history
Added to the roadmap 26 August 2025. Tracked here since 1 September 2026. Earliest target we recorded: September 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.