Microsoft Entra ID · Teams Communication

Teams External Collaboration Administrator

Manages external collaboration policies and settings for Teams, including configuring external domains and controlling which groups and users can interact with the organization.

Scope: External collaboration and federation settings within Microsoft Teams

Permissions

  • Configure external access domains for Teams
  • Manage external collaboration policies
  • Control which groups can communicate externally
  • Configure guest access settings for Teams
  • Manage cross-organization communication settings
  • Set external sharing policies for Teams

Common use cases

  • Configuring approved external domains for Teams federation
  • Managing B2B collaboration policies for Teams
  • Controlling external meeting and chat access
  • Setting up cross-organization collaboration securely
  • Restricting external communication to specific groups

Best practices

  • Maintain an allowlist of approved external domains
  • Regularly audit external collaboration settings
  • Coordinate with security team on external access policies
  • Document approved external collaboration partners
  • Use sensitivity labels to protect shared content

Security considerations

  • External collaboration opens data sharing channels — requires careful policy design
  • Misconfiguration could expose internal data to unauthorized external parties
  • Monitor external collaboration patterns for anomalies
  • Coordinate with DLP policies for external sharing

Official Microsoft Learn documentation →

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