The Rules in the “new” Outlook, however, are a lot more user-friendly and intuitive to set up. The process starts the same, by right-clicking on the email that you want to create a Rule for.

Learn how to highlight specific emails in Outlook (new) in Windows 11/10 using Flags, Categories, Rules, and Conditional Formatting.

If Outlook 365 Rules are not working automatically but work when run manually, enable the rules and try other solutions in this article.