iOS - Reset Account in the Outlook App

Open the Outlook app, tap on the profile picture at the top left of the Outlook app. You will see a slide-out menu that looks like the below screenshot.

Tap on the Settings gear icon at the bottom left.

In the Settings, go to Accounts.

Tap on your account that you wish to reset. In the example screenshot, there is only one to select, you may have more.

Scroll down and tap Reset Account.