Windows Explorer keyboard shortcuts

• 
  END - Display the bottom of the active window.
  
  HOME - Display the top of the active window.
  
  NUM LOCK+ASTERISK on numeric keypad (*) - Display all subfolders under the selected folder.
  
  NUM LOCK+PLUS SIGN on numeric keypad (+) - Display the contents of the selected folder.
  
  NUM LOCK+MINUS SIGN on numeric keypad (‐) - Collapse the selected folder
  
  LEFT ARROW - Collapse current selection if it's expanded, or select parent
  folder.
  
  RIGHT ARROWn- Display current selection if it's collapsed, or select first subfolder