To get started, open the Outlook app and select a subfolder for which you want to receive notifications. Then, make sure that you are in the Home tab. If so, select Rules > Manage Rules & Alerts .

How to create an Outlook search folder for flagged messages. Whether you’re implementing a built-in or custom search folder, ... Outlook will add a new search subfolder to the Search Folders folder.

Subfolders within folders create even more opportunity for organization in Outlook. Steven John/Business Insider And remember that you can always right click on a folder to rename it if you want.