Unblock Email Outlook 'link' -

The mobile app doesn't have a dedicated "Blocked Senders List" editor. Instead, you must unblock by finding a past email.

This is the most common version for personal and business accounts.

To unblock an email address in Outlook, you must remove the sender from your list within the Junk email settings. Once removed, future messages from that contact will be delivered directly to your inbox rather than being redirected to the Junk folder. Unblock Emails in Outlook on the Web

Depending on your specific version of Outlook, follow the appropriate steps below to manage blocked content. For Outlook on the Web (Outlook.com)