![(Updated) Microsoft 365 Copilot App for Windows: “Update available” button [MC1154790]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-apasaric-325185-1024x683.webp "(Updated) Microsoft 365 Copilot App for Windows: \"Update available\" button [MC1154790] 1")
(Updated) Microsoft 365 Copilot App for Windows: “Update available” button [MC1154790]
Message ID: MC1154790 (Updated) Updated December 23, 2025: We have updated the content and timeline. Thank you for your patience. [Introduction] Starting in January, the Microsoft 365 Copilot app for Windows will introduce a new Update button. This button will not…
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![(Updated) Microsoft Teams: In channels, the “Shared” tab (formerly the “Files” tab) will have new capabilities [MC1025217]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-sushil-laishram-84201-271160-1024x683.webp "(Updated) Microsoft Teams: In channels, the \"Shared\" tab (formerly the \"Files\" tab) will have new capabilities [MC1025217] 3")
![(Updated) Microsoft Teams: Private channels increased limits and transition to group compliance [MC1134737]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-googledeepmind-18069694-1024x683.webp "(Updated) Microsoft Teams: Private channels increased limits and transition to group compliance [MC1134737] 4")
![(Updated) Microsoft Exchange Online: New Message Trace will be GA; legacy Message Trace will retire [MC1092458]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-themob000-27301625-1024x683.webp "(Updated) Microsoft Exchange Online: New Message Trace will be GA; legacy Message Trace will retire [MC1092458] 5")
![(Updated) Retirement of several Microsoft Planner features in early 2026 as part of a Planner update [MC1193421]](https://mwpro.co.uk/wp-content/uploads/2025/06/harbour-city-3928590_1920-1024x683.webp "(Updated) Retirement of several Microsoft Planner features in early 2026 as part of a Planner update [MC1193421] 6")