New Outlook for Windows becomes available for GCC High and DoD [MC1338816]

New Outlook for Windows becomes available for GCC High and DoD [MC1338816]

Message ID: MC1338816 [What and Why:]New Outlook for Windows will be available for U.S. Government clouds (GCC High and DoD sovereign environments). This milestone helps organizations move forward with adoption planning while maintaining administrative control.[Rollout Schedule:] Public Preview (GCC High…
Microsoft Teams PowerShell: Web Account Manager (WAM) becomes the default authentication broker [MC1338817]

Microsoft Teams PowerShell: Web Account Manager (WAM) becomes the default authentication broker [MC1338817]

Message ID: MC1338817 [What and Why]We are updating the Microsoft Teams PowerShell module to use Web Account Manager (WAM) as the default authentication broker for sign-in. This change improves security and provides a more consistent authentication experience on Windows.A new…
(Updated) Microsoft 365 Copilot: Updated handling of entity inserts in the Copilot Chat input box [MC1230892]

(Updated) Microsoft 365 Copilot: Updated handling of entity inserts in the Copilot Chat input box [MC1230892]

Message ID: MC1230892 (Updated) Updated June 3, 2026: We have updated the timeline. Thank you for your patience. [Introduction]We’re updating how entities inserted from Add Work Content under the + menu behave in Microsoft 365 Copilot and Copilot Chat. With this…
Microsoft Teams: Town hall chat messages now support up to 500 characters [MC1338829]

Microsoft Teams: Town hall chat messages now support up to 500 characters [MC1338829]

Message ID: MC1338829 [Introduction] We are increasing the maximum message length in town hall chat to improve participant engagement and communication clarity. With this change, attendees can contribute more meaningful messages without needing to split them across multiple posts. [When…