1. On the homescreen, click in Settings.
  2. Click on Passwords & Accounts.
  3. Click on Add account.
  4. Click on Other.
  5. Click on Add Mail Account.
  6. Enter the name for the account and the e-mail address of the shared mailbox.
  7. Enter the password of the personal account that has access to the mailbox.
  8. Enter a description.
  9. Click on Next.
  10. Enter outlook.office365.com:993 in Incoming mail server -> hostname.
  11. For the username, enter your e-mail address followed by the name of the shared mailbox. For example: your e-mail address is john@company.com and the shared mailbox is info@company.com. Enter "john@company.com/info".
  12. Enter the corresponding password.
  13. In Outgoing mail server -> Hostname, enter smtp.office365.com.
  14. For the Username, enter only the personal username without the shared mailbox name attached.
  15. Enter the Password.
  16. Click on Next.
  17. By default, Mail is enabled. Optionally, you can enable Notes as well.