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

The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide. If we detect a problem with your account, we'll tell you what you need …

Stop receiving email from someone by adding his or her email address to your blocked senders list. You can also unblock an email address from your blocked senders list.

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.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

If your Outlook.com account has been blocked, follow the instructions in this article to unblock it.

Work or school accounts Learn how to manage the account you use to access your work or school email and files. Work or school account help

To unblock a person, go to the chat in the chat list, and select More options > Unblock. You can also point your cursor at a person’s profile picture, then, when their profile card appears, select More …

For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option.

Important: If you have blocked a contact but they are still in a group with you, the blocked person can still send messages. You will need to leave the group to prevent the blocked person from sending …