Axis.CategorySortOrder (PowerPoint)
Possible return values are xlCategoryAscending, xlCategoryDescending, xlIndexAscending, xlIndexDescending.
ActiveWindow.RangeFromPoint.Chart.Axes(1).CategorySortOrder = xlCategoryAscending
Possible return values are xlCategoryAscending, xlCategoryDescending, xlIndexAscending, xlIndexDescending.
ActiveWindow.RangeFromPoint.Chart.Axes(1).CategorySortOrder = xlCategoryAscending