HOW TO RESTORE THE CLASSIC VERSION OF OUTLOOK.
answers.microsoft.com › en-us › outlook_comDec 5, 2018 · Before there was an option to return to classic version using toggle option, but now it is missing. If you want still to use classic you can access it using this link https://outlook.live.com/owa/?path=/classic It is better to add a shortcut to your browser and use that address. However, if you will try to login differently you will be logged into new UI.