How to Set Up a Search Folder in Outlook 2013
Click the Mail button in the Navigation pane (or press Ctrl+Shift+I).
The Mail module appears.
You can have multiple e-mail addresses and therefore multiple inboxes in Outlook. If you have more than one e-mail address, click the inbox associated with the e-mail address you want to use with this new folder. The new folder shows up in the Folder pane beneath the selected inbox.