Employers and universities are fond of using Microsoft Exchange/Office 365/Outlook as an email provider. And, because Microsoft is Microsoft, these services do not support standard IMAP/POP/SMTP interfaces. This makes getting them set up on Linux a royal pain (unless you’re content to use the Web interface, anyway).
That is not to say that it is impossible. There are several different ways to connect to your Microsoft email account using a Linux desktop email client. In this article, I discuss two of them: evolution-ews and DavMail.