May 7, 2024 · Today, we are providing an update on our product roadmap for Microsoft Exchange Server, and our next milestones in the Exchange Server journey.

Jul 1, 2025 · We are excited to announce the general availability of Exchange Server Subscription Edition (SE). This release continues Microsoft’s long tradition of enabling customers to provide …

Jan 13, 2026 · There are no security releases for any version of Exchange Server in January 2026, for customers with Exchange SE, or Exchange 2016 or 2019 ESU. Please keep upgrading your …

Dec 9, 2025 · Exchange Server 2016 and 2019 are out of support. Customers who enrolled in the Extended Security Update (ESU) program are eligible to receive the December 2025 (and later) …

Feb 10, 2025 · Today we are announcing the availability of the 2025 H1 Cumulative Update (CU) for Exchange Server 2019 (aka CU15).

We have released Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only.

Sep 10, 2024 · We wanted to provide additional guidance and FAQ for preparing your organizations for Exchange Server SE release.

Dec 10, 2025 · It seems that there’s a lot of confusion about licensing and product keys for Exchange Server SE; not just here on the Tech Community, but also on LinkedIn,...

Feb 13, 2024 · Today we are announcing the availability of the 2024 H1 Cumulative Update (CU) for Exchange Server 2019 (aka CU14). CU14 includes fixes for customer reported issues, a security …

Jul 15, 2025 · We are announcing an optional 6-month Extended Security Update (ESU) program for Exchange 2016 and 2019.