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Most RecentMost ViewedMost LikesReleased: April 2025 Exchange Server Hotfix Updates We have released Hotfix Updates for Exchange Server 2016 and Exchange Server 2019. Exchange Server Security Changes for Hybrid Deployments We wanted to announce several security changes that Exchange hybrid customers need to know about. Retirement of cloud archive mailbox access by using Exchange Server on-premises OWA Announcing retirement of OWA access to online archives for on-premises mailboxes. T-6 months: Exchange Server 2016 and Exchange Server 2019 End of Support On October 14, 2025, 6 months from today, Exchange Server 2016 and Exchange Server 2019 reach end of support. Upgrading your organization from current versions to Exchange Server SE We wanted to provide additional guidance and FAQ for preparing your organizations for Exchange Server SE release. Released: 2025 H1 Cumulative Update for Exchange Server Today we are announcing the availability of the 2025 H1 Cumulative Update (CU) for Exchange Server 2019 (aka CU15). T-9 months: Exchange Server 2016 and Exchange Server 2019 End of Support On October 14, 2025, 9 months from today, Exchange Server 2016 and Exchange Server 2019 reach end of support. Exchange Server Roadmap Update Today, we are providing an update on our product roadmap for Microsoft Exchange Server, and our next milestones in the Exchange Server journey. End of Support for Exchange Server 2016 and Exchange Server 2019: T-12 Months On October 14, 2025, Exchange Server 2016 and Exchange Server 2019 reach end of support Re-release of November 2024 Exchange Server Security Update packages Today we are re-releasing the November 2024 SUs for Exchange Server.
