To change the line spacing between bullets, click Format on the main menu and select Line Spacing. Click inside the fields to manually change the values or use the up and down arrows to make your changes. You can change the values applied from lines to points, as shown in Figure 3.18.
Figure 3.18 Use the Line Spacing dialog box to change the amount of white space in your bullet placeholders.
You can click the preview button to see the new spacing within the slide.