The nice thing about the QAT is that Excel automatically creates a simple keyboard shortcut to access its command icons. You can see it in the following screenshot just above the ribbon: It is a tiny little toolbar that includes a few commands by default, such as save, undo, and redo. Microsoft introduced the Quick Access Toolbar (QAT) in Excel 2007 with the rollout of the ribbon. This post discusses the Quick Access Toolbar and the related keyboard shortcuts it creates. But, what do you do if there is no built-in keyboard shortcut to execute your favorite command? Well, one approach is to customize the QAT.
Generally, you can improve your speed by keeping your hands on your keyboard.