Filter junk email and spam in Outlook - Microsoft Support
Organize email by using inbox rules in Outlook.com or Outlook on the web. Use Clutter to sort low priority messages in Outlook on the web. Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.
Applies To:
Office for business, Office 365 Small Business, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019