Tap the Junk Email folder (you may need to scroll down the folder list).
Open the Outlook app on your phone.
Under Blocked senders and domains , you will see a list of all blocked email addresses. Find the one you want to unblock. unblock emails in outlook
Go to Outlook.com and sign in.
Click the trash can icon (or "Remove") next to the address. Tap the Junk Email folder (you may need