Most RecentMost ViewedMost LikesRe-release of November 2024 Exchange Server Security Update packages Today we are re-releasing the November 2024 SUs for Exchange Server. Released: March 2024 Exchange Server Security Updates We have released Security Updates for Exchange Server 2016 and Exchange Server 2019. Released: November 2024 Exchange Server Security Updates We have released Security Updates for Exchange Server 2016 and Exchange Server 2019. 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 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. 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. Update on Exchange Server ADFS Modern Authentication support We are pleased to provide an update regarding Exchange Server ADFS Modern Authentication support. September 2020 Hybrid Configuration Wizard Update Today we are happy to announce an update to the Exchange Hybrid Configuration Wizard (HCW) which enables either a Full or Minimal Hybrid deployment from a single on-premises organization to more than one cloud tenant. Released: 2024 H1 Cumulative Update for Exchange Server Today we are announcing the availability of Cumulative Update for Exchange Server 2019. How to pause throttling and blocking of out-of-date on-premises Exchange Servers We wanted to share how totemporarily pause throttling and blocking of out-of-date on-premises Exchange Servers, if they are sending email to Exchange Online.