Select data or histogram labels > Editor > Edit Data Labels > Font
Use to change the label font or its attributes. To add data labels to a graph, choose Editor > Add.
Font: Enter a font name.
Style
Bold: Check to make the text bold.
Italic: Check to italicize the text.
Underline: Check to underline the text.
Size: Enter a font size.
Color: Choose a text color.
Preview: Displays sample text with the selected attributes. This box does not accept input.
Text: Type text to change an existing data label (only available if an individual data label is selected).