Summary: Microsoft has announced that Exchange 2016 and Exchange 2019 will reach the end of extended support on October 14, 2025, urging admins to upgrade or migrate to newer solutions. After this date, Microsoft will cease to provide technical support, security fixes, and updates for these versions. Admins are encouraged to transition to Exchange Online or the upcoming Exchange Server Subscription Edition (SE) to ensure continued support and security.

Threat Actor: Microsoft | Microsoft
Victim: Exchange Server Users | Exchange Server Users

Keypoints :

• Exchange 2016 and 2019 will reach end of support on October 14, 2025, with no further technical assistance from Microsoft.
• Admins are recommended to migrate to Exchange Online or upgrade to Exchange Server SE to maintain support and security.
• Detailed guidance for migration and upgrade paths is available on Microsoft’s documentation site for global admins.