The Format Fields dialog gives you a quick way to format any set of fields displayed within your chart.
To format fields:
1 With your chart open, click the Home tab, then click the Format Fields button from the Font section.
The Format Fields dialog box opens.
2 Select fields by clicking on the associated checkboxes.
Note: You can use the Check All and Clear All buttons to check or clear all fields.
3 Specify your formatting options using the Font, Shadow, and Alignment tabs. Refer to Formatting Text
4 Under Apply to: select a radio button to specify how to apply your formatting.
5 Click the Apply button. You can immediately see your formatting applied in the chart.
Note: You can click the Apply button at any time to apply your changes to the chart. The dialog will remain open.
6 Click OK.