Office 2013 offers a number of ready-made shortcuts that you can use in the various applications, but it’s also a simple task to create your own. If you have certain key combinations you like to use regularly, you can teach Office 2013 those combinations and assign them to the tools of your choice. You start the process of customizing keyboard shortcuts by displaying the Microsoft Office Backstage view and opening the Options dialog box.
In Word 2013, click the File tab.
The Word Options dialog box opens.
Click Customize Ribbon.