This revised version is divided into four parts, describing Exchange infrastructure, upgrading Exchange server, integration with Office 365, and security and compliance. In the first part, you will go through a short introduction of Exchange server followed by its installation and configuration. You will learn client access along with Exchange mailbox and managing Exchange recipients. In the second part, you will learn how to upgrade from Exchange 2010 to 2016 and from 2013 to Exchange 2019. The third part is dedicated to the Exchange integration with Office 365, followed by the last part that teaches you how to secure your Exchange environment and its compliance. After reading this book, you will understand best practices, do’s and don’ts, and notes from the field to migrate and work on Exchange 2016 and 2019. What You Will Learn