Exchange Server

Begin Move to Exchange Server SE to Keep Support  July 3, 2025 Organizations running Exchange in their own data centers must migrate quickly to Exchange Server SE. ...more Exchange Server: Migrate Off Legacy Versions by Oct. 2025 Updated: June 27, 2025 Exchange Server 2016 and 2019 customers will have 90 days or less under product support...more Directory Ties Cloud Customers to Exchange Server April 27, 2025 Customers who move all their mailboxes into Exchange Online may still need Exchange servers to...more Legacy Outlook for Mac Phaseout Starts Oct. 2025 Updated: March 11, 2025 Customers should migrate their Macs off legacy Outlook as soon as possible if they access...more Exchange Online Blocks Legacy Senders Updated: February 24, 2025 The Exchange Online cloud service progressively throttles, then blocks, mail connections with “persistently vulnerable” Exchange...more Executive Focus: The Mounting Risks of On-Premises Server Software Updated: January 12, 2025 Microsoft’s cloud-first focus reduces the long-term viability of traditional on-premises server software. Organizations using on-premises...more Exchange Server Customers Must Upgrade in 2025 Updated: June 3, 2024 [June 3, 2024: Added links to detailed rollout guidance from the Microsoft Exchange team, security...more Buying Server Products via Microsoft Customer Agreements Updated: January 9, 2024 (Sections of this report have been superseded by “Transitioning Windows Server Under an EA to...more Time to Walk Away from Some Microsoft Products Updated: June 2, 2023 Microsoft is dropping development, cutting support, and raising prices for many on-premises products. These dead-end...more Exchange Server 2013 Leaves Support Apr. 2023 Updated: May 31, 2023 Organizations should migrate from Exchange Server 2013 to Exchange Online or a later Exchange Server...more Exchange Zero-Day Vulnerability Resources Available from Microsoft Updated: May 31, 2023 A collection of resources is available from Microsoft for customers looking for more information on...more Exchange 2019 Updates for Windows Server 2022, Hybrid Updated: May 31, 2023 Exchange Server cumulative updates released Apr. 2022 include Windows Server 2022 support and hybrid management...more 2025 Support Meteor Leads to Software Mass Extinction Updated: May 31, 2023 A series of on-premises software retirements and end-of-support dates will converge in 2025 and 2026,...more Next Exchange Server Version in 2025 Updated: May 31, 2023 Exchange Server’s next and possibly last version will not appear until 2025. Customers will get...more Exchange Online Versus Exchange Server Updated: July 11, 2022 ​Exchange Online can reduce cost, improve scalability, and reduce risk compared with upgrading Exchange Server...more Exchange 2013 CU2 Arrives with Restated Support Policy Updated: October 3, 2021 Exchange 2013 CU2 brings a support policy clarification along with fixes and features