There may be times when you must change the animations you create. Modifying animated objects is similar to creating them. The main difference is that when you open either of the Animation dialog boxes, any properties that have been dynamically changed are indicated by a selected check box (Basic) or an arrow on its corresponding tab (Advanced), as the following figures show.
Modifying a Fill Animation in the Basic Animation dialog box
To modify an existing Animation in the Basic Animation dialog box, click the Expert button associated with that animation. This opens the Expert dialog box and allows you to make changes to that animation. Clearing the check box deletes the existing animation.
Modifying a Fill Animation in the Advanced Animations Dialog Box
To modify an existing animation in the Advanced Animations dialog box, select the tab containing the property you want to change and click Animate. Perform any required modifications and click OK.