To search for Outlook rules, you can follow these steps:
- Open Outlook and go to the Home tab.
- Click on the Rules button in the Move group.
- Select Manage Rules & Alerts.
- In the Rules and Alerts dialog box, click on the Options button.
- Click on the Export Rules button to export your rules to a file.
- Open the exported file in a text editor or Excel to search for specific rules.
As for why Microsoft has not replied to comments about this issue, I do not have any information on that.
References: