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Most RecentMost ViewedMost LikesReleased: 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). 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. 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 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. Re-release of November 2024 Exchange Server Security Update packages Today we are re-releasing the November 2024 SUs for Exchange Server. Updates on Servicing Exchange Server 2019 We wanted to provide an update on servicing Exchange Server 2019. 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. When is Exchange 2019 CU15 coming (and more news) We wanted to provide an update on Exchange 2019 CU15 release, and news around Exchange support for Windows Server 2025. Released: November 2024 Exchange Server Security Updates We have released Security Updates for Exchange Server 2016 and Exchange Server 2019. Decommissioning Exchange Server 2016 This article will help you decommission Exchange Server 2016 from your organization.
