Exchange Server 2016 & Exchange Online: Essenti... Apr 2026

Microsoft has officially ended support for Exchange Server 2016 and 2019 as of . Running these versions past this date introduces significant risks, including:

Exchange Server 2016 and Exchange Server 2019 End of Support Exchange Server 2016 & Exchange Online: Essenti...

Exchange Server 2016 & Exchange Online: Essentials for Modern Administration Microsoft has officially ended support for Exchange Server

: Exchange Online may begin to throttle or even block emails sent from unsupported on-premises servers. Exchange Server 2016 & Exchange Online: Essenti...

: Servers become vulnerable to new exploits without official patches.

: Using "end-of-life" software can fail regulatory audits and data protection standards.