This is great news for all of us who have been working with Exchange Server for decades. Microsoft published Exchange Server SE (Subscription Edition) on July 1, 2025!
Exchange Server SE can be installed as a Cumulative Update to Exchange Server 2019 CU14 or CU15 and can be joined to your Exchange 2016/2019 organizations.
You can download it from here:
Exchange Server Subscription Edition RTM (KB5047155)
Supported Operating Systems
Windows Server 2019, Windows Server 2022, Windows Server 2025
You can see full system requirements here:
Exchange Server 2019 and SE system requirements
You can read all the release details at the Exchange Team Blog.
