Chart summarizes differences among desktop clients from Microsoft for Exchange Server and Exchange Online.

Chart shows some of the current options for Exchange and Outlook meeting scheduling.

Roadmap for Bookings, a Web application to schedule and manage appointments with Exchange Online users.

Chart shows some of the current options for Exchange and Outlook meeting scheduling.

Exchange Online customers are getting better tools for migrating mailboxes between tenants after mergers, acquisitions, and divestitures.

Timeline shows service shutdowns and software support terminations coming to Exchange Online through the end of 2023.

Two versions of the Exchange Online PowerShell module, which enables scripted management of Exchange Online tenants, will retire in 2022

Exchange Server cumulative updates released Apr. 2022 include Windows Server 2022 support and hybrid management improvements for Exchange Server 2019.

Exchange Online is adopting two protocols designed to help secure mail in transit against eavesdropping and forgery.

Developers must choose between APIs for Exchange Server and Exchange Online based on mailbox hosting, features, and long-term prospects.