If you're receiving unwanted email, you can block the email addresses and domains you don't want to receive messages from in new Outlook. Add any email address or domain to your …

Right-click a message from the sender you want to block, and then select Block > Block Sender. The blocked person can still send you mail, but if anything from his or her email address …

Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.

In the message list, select a message from the sender that you want to block. In the Outlook menu, select Message > Junk Mail > Block Sender. Outlook adds the sender's email address …

Use the Block or Allow settings in Outlook Web App to help control unwanted and unsolicited email messages.

You can create an email signature in Outlook on the web or Outlook.com that you can then add to all outgoing messages or add manually to specific ones. Select Settings at the top of the page.

A signature block in Outlook can be as simple as your name and a telephone number. Or you can bump up its presentation with a photo or a logo and even add some social networking service …

The higher you set the protection level, the greater the risk of some legitimate messages being identified as junk and moved to the Junk E-mail folder. Select Home, then in the Delete group, …

Blocked Senders list: You can easily block messages from particular senders by adding their email addresses or domain names to the Blocked Senders List. When you add a name or …

Add email addresses and domain names that you trust to the Safe Senders List. On the Home tab, in the Delete group, click Junk, and then click Junk E-mail Options.