Microsoft releases Exchange Server 2016 and 2019 cumulative updates that address critical flaws. It's offering a 90-day Microsoft Defender for Endpoint trial to affected customers.

Microsoft Exchange administrators running versions older than March 2023 need to update or they won’t get the latest security mitigations, says an expert. But, David Shipley added, even better ...

On Monday, Microsoft released the last major update for Exchange Server 2019. The aging Exchange Server is set to lose support on Oct. 14, 2025.

Organizations running Exchange Server 2019 won't be getting an H2 cumulative update (CU) this year, a Microsoft announcement this month explained.