Retirement of “When Sending a Message” Group Policy in Classic Outlook for Windows [MC1164375]
Posted inMicrosoft 365 apps

Retirement of “When Sending a Message” Group Policy in Classic Outlook for Windows [MC1164375]

Message ID: MC1164375 [Introduction] We’re retiring the When Sending a Message Group Policy in Classic Outlook for Windows to improve administrative flexibility and respond to customer feedback. This legacy policy grouped several mail-sending behaviors under one setting. Moving forward, these…
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Outlook for Android will require Android 10.0 or higher starting January 2026 [MC1163756]
Posted inMicrosoft 365 apps

Outlook for Android will require Android 10.0 or higher starting January 2026 [MC1163756]

Message ID: MC1163756 [Introduction] To maintain app performance, security, and compatibility across devices, Outlook for Android will no longer support Android 9.x or earlier versions starting January 2026. This change aligns with Microsoft’s regular operating system (OS) support evaluations and…
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Outlook on the web activity-based timeout is retiring [MC1163753]
Posted inExchange Online Microsoft 365 for the web

Outlook on the web activity-based timeout is retiring [MC1163753]

Message ID: MC1163753 Outlook on the web activity-based timeout is retiring To simplify session timeout management and improve consistency across Microsoft 365 apps, we’re retiring the activity-based authentication timeout (ABT) setting for Outlook on the web. Admins should transition to…
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