Insert mouse-click or mouse-over action buttons

1. Select the slide you want to place a button on.
2. On the Slide Show menu, point to Action Buttons, and then select the button you want — for example, Home, Back or Previous, Forward or Next, Beginning, End, or Return.
3. Click the slide.
4. In the Action Settings dialog box, set the actions that you want on the Mouse Click and Mouse Over tabs, and then click OK.

For example, to open another document or play a movie when the button is clicked during the slide show, on the Mouse Click tab, click Hyperlink to, and then in the drop-down list, select Other File. In the Hyperlink to Other File dialog box, navigate to the file you want to open, and then click OK twice. If you're using one slide master, you can insert an action button on the master and the button is available throughout the presentation. If you are using multiple slide masters, you must insert the action button on each master.
5. On the View menu, point to Master and then click Slide Master.
6. On the Slide Show menu, point to Action Buttons, and then select the button you want.
7. Click the slide master.
8. In the Action Settings dialog box, set the actions that you want on the Mouse Click and Mouse Over tabs, and then click OK.
For example, to open the previous slide when the button is clicked during the slide show, on the Mouse Click tab, click Hyperlink to, and then in the drop-down list.
9. Select Previous Slide. Click OK.
10. Save the master, and then Click Close Master View on the Master View toolbar.