While you are in the Junk email settings, scroll up to "Safe senders and domains." Add the email address here to ensure future messages always land in your Inbox, not Junk. How to Unblock on the Outlook Mobile App (iPhone/Android) The mobile app doesn't have a dedicated "Blocked List" viewer, but you can unblock an address if you have an old email from them or by using the web browser method above.
At the bottom of the sidebar, click "View all Outlook settings." This opens the full settings menu.
Go to Outlook.com and sign in with your Hotmail email address and password.