Then chose Display settings > Focused Inbox.
Look at the top right and click on the the gear shaped icon.It is not configured in the PC based Outlook client on campus. IMPORTANT NOTE: Microsoft Outlook’s Focused Inbox is available in the Outlook 365 (webmail) interface, the iOS mobile interface and the Mac Outlook interface. Your most important emails are on the Focused tab while the rest remain easily accessible-but out of the way-on the Other tab. Focused Inbox separates your inbox into two tabs-Focused and Other.