We are not releasing any Exchange Server Security Updates for November 2025

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We wanted to learn if there is interest to bring Copilot functionality to on-premises email.

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Office Online Server retirement date has been Announced.

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We are happy to announce General Availability of cloud-managed Remote Mailboxes.

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We have released Security Updates for Exchange Server SE, Exchange Server 2019 and Exchange Server 2016.

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Support for Exchange Server 2016 and Exchange Server 2019 ends today.

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We wanted to let you know about Exchange Online ActiveSync Certificate-based Authentication endpoint changes.

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We wanted to let you know of an Active Directory replication issue you might run into if you use Windows Server 2025 schema master role.

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We are happy to announce the time-based archiving feature for Exchange Online users with archives.

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We will make a change to management of "Contact" Recipient Type objects in Exchange Online.

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