Android Outlook Web App -

Set up email in the Outlook for Android app - Microsoft Support

To use the on Android, you can access it directly via a mobile browser or install it as a Progressive Web App (PWA) to get a more native, app-like experience. Method 1: Access via Mobile Browser Android Outlook Web App

An Outlook icon will now appear on your Android home screen; tapping it will launch the web app in a dedicated, full-screen window. Set up email in the Outlook for Android