To unblock a sender in Outlook, you must remove their email address or domain from your list . Once removed, their future messages will no longer be automatically redirected to your Junk Email folder. Unblocking in New Outlook and Outlook on the Web

To unblock someone on Outlook, you must remove their address or domain from your list within your account settings . Depending on whether you use the web version, the classic desktop app, or a mobile device, the exact path to these settings differs slightly. How to Unblock a Sender in Outlook (Quick Guide)

The process differs slightly in the traditional desktop client: How to Remove Emails from Outlook's Blocked Addresses List

Click the or Trash icon next to the entry to remove it.

If you've blocked someone on Outlook email and want to unblock them, follow these steps:

Shortcut Academy 2m Block or unblock senders - University of Waterloo Unblocking senders: * In New Outlook, click the “Settings” gear icon on the top right corner. * Click “Mail” on the left-hand side... University of Waterloo Block or unblock senders in Outlook - Microsoft Support Unblock senders. If you want to remove someone from the blocked senders list in new Outlook, follow the instructions below. * Sele... Microsoft Support Block or unblock a sender - Outlook for Mac - Microsoft Support Block a sender * In the message list, select a message from the sender that you want to block. * In the Toolbar, select Block. * O... Microsoft Support How to Block and Unblock a Sender in Outlook Jan 21, 2026 —