expression.Tracking
expression Required. An expression that returns one of the objects in the Applies To list.
Remarks
Valid range is 0.0 to 600.0 points. Setting the property to 0.0 disables tracking. Indeterminate values are returned as -2.
Example
This example disables tracking in the second story by setting the Tracking property to zero.
Sub DisableTracking()
Application.ActiveDocument.Stories(2).TextRange.Font.Tracking = 0.0
End Sub