You can add a new e-mail link to your phone's home screen using Microsoft Flow. Watch the tutorial for steps to setup this.
Using Cortana in Microsoft Teams on your Smartphone or Tablet will save you time and effort.
Here is a great tutorial to fix synch issues between Microsoft Outlook (computer) and the mail app (iPhone)
You can add your work e-mail to your iPhone and sync contacts, calendars, notes & reminders. Most work accounts are hosted on an “Exchange” server.