While SharePoint Server 2019 alone provides great value to each company that decides to install it, it can offer more features when integrated with other servers from the Office suite such as Exchange Server 2019.
By integrating Exchange Server 2019 with SharePoint Server 2019, you enable features such as the Site Mailbox and Modern Attachments. If you are on SharePoint Server 2013 and skipped 2016, note that the Work Management Service from SharePoint 2013 does not exist in SharePoint ...