Go toSettings(gear icon).

Turn on theFocused Inboxtoggle switch if you want to use this feature.

Turn off theFocused Inboxtoggle switch to use a single inbox.

Viewing the menu in Outlook for iOS.

SelectMenu(…).

SelectMove to Focused Inbox.

And, if junk emails appear in the Focused Inbox, move those messages to the Other Inbox.

Settings in Outlook for iOS.

Only the current email and future messages are moved.

Other emails from the same sender that already are in the Focused Inbox will stay there.

The Other inbox in Outlook for iOS.

Dialog prompting for move to focused inbox in Outlook for iOS.

The Focused inbox in Outlook for iOS.

Menu options in Outlook for iOS.

Dialog prompt about moving email to Other inbox in Outlook for iOS.