News, Business On October 14, 2025, Exchange Server 2016 and Exchange Server 2019 reach end of support. October 16, 2024 Pieter Arntz Microsoft has reminded Exchange Server users that they now have less than a year left to replace Exchange Server 2016 and Exchange Server 2019. End of support for Exchange Server 2016 and 2019 which will be reached on October 14, 2025.
Article Link: Exchange Server 2016 and 2019 have less than a year to live