Outlook.com Forwarding Rule Not Working

Hi. I have a personal free Outlook account and am exclusively using Outlook in a web browser - not the desktop app. I am trying to set up a forward rule such that when I receive an email from sender X and it contains word Y in the subject or body, forward the message to email address Z. I have tried 20 times using a few separate personal emails, different key words, etc to create test scenarios. It simply DOES NOT WORK. Nothing happens. I contacted Microsoft Support via chat and they were not helpful at all. The support person basically told me in other words "if you can make the rule, it works" but it CLEARLY DOES NOT. I am so frustrated at this point. I just want my simple rule to work. Any advice would be very helpful and appreciated! :)