Instructions for Outlook mobile can be found here

Outlook Desktop

Turn Focused Inbox on or off

1. In Outlook, select the View tab.

2. Select Show Focused Inbox to toggle the feature on or off

   

    

3. When on, the Focused and Other tabs will appear at the top of your mailbox. You’ll be informed about email flowing to Other, and you can switch between tabs any time to take a quick look.

   

Change how your messages get organized

1. From your inbox, select the Focused or Other tab, and then right-click the message you want to move.

2. If you're moving from Focused to Other, select Move to Other if you want only the selected message moved. Select Always Move to Other if you want all future messages from the sender to be delivered to the Other tab.

   If you're moving from Other to Focused, select Move to Focused if you want only the selected message moved. Select Always Move to Focused if you want all future messages from the sender to be delivered to the Focused tab.