One of the new features that make Office 2013 touch-friendly is Touch Mode, which increases the amount of space between tools and options on the ribbon and in lists and dialog boxes. This makes it easy for you to tap the tools you want without inadvertently selecting the wrong item. Thanks to the addition of the Touch/Mouse Mode button in the Quick Access toolbar, you can easily switch between Touch and Mouse mode while you’re working with Office on your touch-enabled device.
Click the Touch/Mouse Mode tool in the Quick Access toolbar.
Click Touch Mode.
The spacing of tools on the ribbon changes to allow more room for selecting tools and options using touch.
To return to normal mode, click the ...