However, that may not be the email folder you use most.
Or, maybe you want to open an inbox from an account you added recently.
Well show you how to select which folder opens automatically.
To get started, hit the File tab on the main Outlook window.
On the backstage screen, click Options in the list of items on the left.
On the Options dialog box, click Advanced in the list of items on the left.
On the Select Folders dialog box, all your accounts are listed with their respective folders under them.
Select any folder from any account and hit the OK button.
nudge the OK button on the Options dialog box.
Now, when you open Outlook, your chosen folder will open automatically.