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Customizing the Main Toolbar and Toolbox
Buttons 
You can customize the display of the buttons in the main toolbar and each workspace toolbox.
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1. Right-click the toolbar/toolbox.
2. Choose Customize from the context menu. (To customize the main toolbar, you can also choose Tools ® Customize.)
The Customize dialog box is displayed. The up and down arrows move the selected button in the Current toolbar buttons list (on the right) up and down. The left arrow adds a selected button from the Available toolbar buttons list (on the left) to the toolbar. The right arrow removes the selected button from the Current toolbar buttons list.
