Hi Michael,
If you receive the emails from a particular account, you try to add the address to a blocked sender list so that you don't receive the emails from that particular email address.
To block a particular sender, try the steps mentioned in the link
You may use the following link to report spam
Deal with abuse, phishing, or spam in Outlook.com
Also check
Report junk email and phishing scams in Outlook on the web
Hope this information helps.