Earlier this month, Microsoft announced Exchange Server Subscription Edition SE , which is the official transition of the product to the Modern Lifecycle Policy, where software is continuously serviced without an end of life date, as long as you keep it updated. It also revealed surprising, but brief, Extended Security Updates ESUs for Exchange 2016 and 2019 . As it winds down support for these products, the company has expressed some displeasure that some customers are using even older and, o
