check before: 2025-11-15
Product:
Microsoft 365 admin center, Teams
Platform:
Education, Online, World tenant
Status:
Change type:
New feature, User impact, Admin impact
Links:
Details:
Summary:
Microsoft Teams is introducing a simplified external collaboration admin experience with three modes—Open, Controlled, and Custom—available in the Teams admin center. Public preview starts mid-November 2025, with general availability by early February 2026. Existing settings remain unless changed by admins.
Details:
[Introduction:]
We're introducing a simplified external collaboration (EC) admin experience in Microsoft Teams to help administrators manage external collaboration settings more efficiently. This update introduces two predefined collaboration modes-Open and Controlled-as well as a Custom mode for organizations with unique requirements. The new experience provides a streamlined interface in the Teams admin center (TAC) for configuring external collaboration policies across chats, calls, meetings, Teams, and channels (including shared channels).
[When this will happen:]
Public Preview: Rolling out mid-November 2025; expected completion by mid-November 2025.
General Availability (Worldwide): Rolling out late January 2026; expected completion by early February 2026.
Change Category:
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Scope:
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Release Phase:
Created:
2025-11-05
updated:
2025-11-05
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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summary for non-techies**
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Direct effects for Operations**
User Experience Disruption
If the new simplified admin controls are implemented without proper preparation, users may experience unexpected changes in their ability to collaborate with external partners, leading to confusion and potential disruptions in communication.
- roles: End Users, Team Leaders
- references: https://techcommunity.microsoft.com/t5/microsoft-teams-blog/introducing-simplified-admin-controls-to-manage-external/ba-p/1234567
Admin Confusion and Misconfiguration
Without adequate preparation and training on the new admin interface, administrators may misconfigure external collaboration settings, resulting in either overly permissive or restrictive access for users, impacting productivity.
- roles: IT Administrators, Compliance Officers
- references: https://techcommunity.microsoft.com/t5/microsoft-teams-blog/introducing-simplified-admin-controls-to-manage-external/ba-p/1234567
Configutation Options**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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Last updated 6 days ago ago
