Accessing Blocked/Permitted in Outlook App
In Outlook, under the Home tab, you will see an option for Junk. Click the Drop-Down button next to Junk and Select Junk E-mail Options…
In the Junk E-mail options window, you will see a tab for Safe Senders and Blocked Senders. Under these tabs will display all the emails/domains that are currently marked as a Safe Sender or Blocked for your mailbox. You can add an email address or domain by clicking the Add button:
After clicking the Add button, you will be prompted to enter in the email address you are trying to mark as Safe or block:
