AxisTitle Property
Returns an AxisTitle object that represents the title of the specified axis. Read-only AxisTitle object.
expression.AxisTitle
expression Required. An expression that returns one of the objects in the Applies To list.
Example
This example adds an axis label to the category axis in myChart.
With myChart.Axes(xlCategory)
.HasTitle = True
.AxisTitle.Text = "July Sales"
End With