Microsoft 365 Message Center

MC1162275 | (Updated) Product transitions to the cloud.microsoft domain – September 2025

Service
Microsoft Teams, Microsoft 365 apps
Last Updated
2026-05-19T17:43:24.49Z
Published
2025-09-29T23:04:46Z
Message ID
MC1162275

Updated May 19, 2026: We are updating this post as an informational reminder to help ensure you are informed and can proactively mitigate potential connectivity issues. Please review your configurations. Thank you for your patience. [Introduction] To improve security and trust across Microsoft cloud services, Microsoft introduced the cloud.microsoft domain in early 2023. This unified, dedicated DNS domain space hosts Microsoft’s first-party authenticated SaaS products and experiences. 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...

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