Auto-hide feature (Explorer pane)

By putting the Explorer pane on auto-hide you can see more of your worksheet when you are not using any of the Explorer tabs.

1. Click on the push pin icon in the title bar. 
   
   
   
   The Explorer bar will collapse and be on the far left side of your screen.
   
   

2. To access any of the Explorer tabs, hover over the desired tab icon and that tab will open.