Add a Command to the Quick Access Toolbar Here are the steps to customize the Quick Access Toolbar and add the Compare and Merge Workbooks button.   Before You Begin: The sample workbook, Customer Sales 2010 PivotChart.xlsx, is open and Shared.   2. Try This: Add Compare and Merge Workbooks to the Quick Access Toolbar Go to File ->Options. Click on the Quick Access Toolbar tab.   Customize the Quick Access Toolbar Choose commands from: All Commands. Select Compare and Merge Workbooks. Click Add.   The Compare and Merge Workbooks command should be displayed on the right side. Click OK. Keep going...! Exam 77-882: Microsoft Excel 2010 Core 1. Managing the Worksheet Environment 1.3. Personalize environment by using Backstage File ->Options-> Quick Access Toolbar