DisplayUnitLabel.Position procedure builder

DisplayUnitLabel.Position (Word)

Returns or sets the position of the unit label on an axis in the chart.

xlChartElementPositionAutomatic - Automatically sets the position of the chart element, xlChartElementPositionCustom - Specifies a specific position for the chart element.
ActiveDocument.Background.Chart.Axes(1).DisplayUnitLabel.Position = xlChartElementPositionAutomatic