How to Restore the Quick Access Toolbar in Word 2007
After customizing the Quick Access toolbar in Word 2007, you may decide to restore it to its default setting. You can do this in the Word Options dialog box.
Display the Quick Access toolbar menu.
Select the More Commands option.
The Word Options dialog box appears.
Click Customization in the left pane of the Word Options dialog box.
Click the Reset button.
This is located at the bottom of the Customization area. A confirmation dialog box appears.
Word restores the toolbar to its default setting.