Remove a Rule from your mailbox

How to get to Inbox rules in Office 365 :

1. Once you are signed into your mailbox, at the top of the page, Select the Settings button:
   

1. Then click on the "View all Outlook settings" link.
   

1. In the Settings windows, Select Mail then Rules :
   

1. Click on the Trash Can icon to delete a rule.

For more information on inbox rules, see the Microsoft documentation below:

https://support.microsoft.com/en-us/office/use-inbox-rules-in-outlook-on-the-web-8400435c-f14e-4272-9004-1548bb1848f2