On the Chart Tools Layout tab, the Labels group provides buttons for controlling which labels appear on the chart. Figure 23-37 points out the various labels that you can use.
Each of these label types has a button on the Layout tab that opens a drop-down list that contains some presets. The drop-down list also contains a “More” command for opening a dialog box that contains additional options. For example, the drop-down list for the Chart Title button contains a “More Title Options” command, as shown in Figure 23-38.
New in PowerPoint 2007, you can add data labels by right-clicking a series and choosing Add Data Labels. You can also format label text from the mini bar, which may be easier than using the Home tab’s controls.
You can format the label text, just as you can format any other text. To do this, select the text and then use the Font group on the Home tab. This allows you to choose a font, size, color, alignment, and so on.
You can also format the label box by right-clicking it and choosing Format name, where name is the type of label ...