Add a shared mailbox to Outlook mobile - Microsoft Support
If you use Outlook for iOS or Outlook for Android, you can add a shared mailbox you have permissions to access on Outlook Mobile. Use a shared mailbox on a mobile device (phone or tablet) To access a shared mailbox on a mobile device, use the following steps.
Applies To:
Outlook for iOS
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.