What you need to know about Exchange 2016 and 2019?
If you're considering using Exchange 2016 or 2019, there are a few key things you must know. Microsoft ended mainstream support for Exchange 2016 on October 13, 2020, and will end extended support on October 14, 2025. After the extended support date, there will be no further updates or security patches released for Exchange 2016, so migrating to a newer version is advisable for organizations who want to continue receiving support and updates from Microsoft. The following points are some of the enhancements in Exchange 2019 over 2016.