Wioletta Jolanta
Wioletta Jolanta voted up Anonymous' answer

Block a sender

  1. In the message list, select a message from the sender whom you want to block.

  2. On the Home tab, click Junk, and then click Block Sender.

Outlook adds the sender's e-mail address to the blocked senders list.

Unblock a sender

  1. On the Tools menu, click Junk E-mail Protection.

  2. On the Blocked Senders tab, in the Blocked Senders text … Read more