Selecting a chart element
Select the chart element using the left-hand mouse button.
Several handles are displayed. Handles are small black boxes that appear around the perimeter of a selected object, indicating that you can move, resize, copy or delete the object.
Selecting an individual data point or an individual data heading in a data series.
Click twice in succession using the left-hand mouse button on the chart element (not a double-click!).
The first click selects all similar elements in the data series, for example all data points.
The second click makes all the selections disappear apart from the selection of the chosen chart element, for example the data point.