MC1477999 What and why To provide a more consistent and streamlined Microsoft 365 Copilot experience in Microsoft Teams, we are simplifying how users access Copilot in Teams. Today, users can access Copilot either from the Teams chat list or from the Copilot app in the Teams app bar. Beginning in October 2026, we will remove the Copilot entry point from the Teams chat list and direct users to access Copilot through the Copilot app. The Copilot app provides access to the full

MC1465764 What and why: Microsoft is continuing the transition of Microsoft 365 experiences to cloud.microsoft, a unified, trusted, and dedicated domain for Microsoft first-party authenticated products and services. As part of this transition, Microsoft Teams web client users in your organization will be automatically redirected from teams.microsoft.com to teams.cloud.microsoft. This is a domain change only. Teams features and functionality are not changing, and no action is

MC1318124 | 560814 Original Published Date May 21, 2026 Summary Microsoft Teams will enable search for cloud files directly in the attach file picker starting June 2026, improving quick sharing by allowing users to find files faster without changing existing permissions. Rollout completes by September 2026, requiring no action but optional user communication and documentation updates. Updated September 1, 2026: We have updated the timeline. Thank you for your patience. Intro