Excel 2010: How to format ALL data point labels SIMULTANEOUSLY b) right click to "Format Data Labels" menu c) select "Number" d) change "Category" to "Text" e) the system presents the standard font size buttons in the main Excel tool bar f) adjust font size at will J joes2007 New Member Joined Jan 10, 2018 Messages 18 Jun 26, 2018 #23 I am having this issue with Pivot Charts.