The folder pane displays all folders in Outlook. If the folder pane is minimized, you won't be able to see your folders.
There are two ways you can view the folder pane in classic Outlook.
- Select View > Folder Pane > Normal.
- Expand the Folder Pane by select the > on the side of the window.
Tip
Select Minimized to minimize the Folder Pane or Off to remove it from the screen.