Apply Categories Automatically With Rules in Outlook.com
To set up a filter in Outlook.com to add categories automatically to incoming messages automatically:
Remove an Existing Outlook.Com Rule
If you want to remove any of the category rules you’ve created, go to the Rules list (Settings > Mail > Rules) and select Delete rule (the trash can icon) to remove the rule from the list.
Apply Categories Automatically with Rules Using the Outlook Desktop App
You can also add categories automatically to incoming emails in the Outlook desktop app as well.
Remove Rules on Outlook Desktop
To see the list of rules you created, go to the Home tab and select Rules > Manage Rules & Alerts. Use the Rules & Alerts dialog box to manage the rules you created. To delete a rule, choose the rule and select Delete.
