Product transitions to the cloud.microsoft domain – September 2025

Microsoft Teams is transitioning to the secure cloud.microsoft domain by September 2025, enhancing security with Microsoft’s exclusive top-level domain. Users will be auto-redirected with no action needed. Admins should update references, educate users, and ensure network access to *.cloud.microsoft. Compliance impact is minimal. As part of this transition, Microsoft Teams is now available at https://teams.cloud.microsoft, in parallel with its previous domain. This change enhances security by using Microsoft’s exclusive top-level domain, .microsoft, which helps prevent spoofing and builds user trust. Learn more by reading the 2023 blog post Introducing cloud.microsoft: a unified domain for Microsoft 365 apps and services. When this will happen: cloud.microsoft How this affects your organization: Who is affected: Admins managing Microsoft Teams, Teams apps, and network configurations. All users accessing Microsoft Teams. What will happen:

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