Expand the folder or item |
+ (plus sign on your numeric keypad) |
Expand the folder and all subfolders or the item and all subitems |
* (asterisk on your numeric keypad) |
Collapse the folder or item |
- (minus sign on your numeric keypad) |
Move down to the next displayed folder or item |
Down arrow |
Move down to the next folder or item, expanding when possible |
Right arrow |
Move up to the previous displayed folder or item |
Up arrow |
Move up to the parent folder or item, collapsing when possible |
Left arrow |