If you have an email alias (i.e. a second email address for your account) and want to filter those emails from your Inbox, then please follow the steps below:
1. In Outlook for Windows, go to File and then “Manage Rules and Alerts” and then click on “New rule”.
2. Click on “Apply rule on messages I receive” from the “Start from a blank rule” section and click Next.
3. Choose “with specific words in the message header”.
4. In the “Step 2” section at the bottom of the page, click on the “specific words” link.
5. Type in the email address (the alias) that you want to identify and click on “Add” and then click OK.
6. You will drop back to the main rule creation dialog box, click next.
7. Choose "move it to the specified folder"
8. In the “Step 2” section at the bottom of the page, click on the “specified Folder” link.
9. Click Finish