ParagraphFormat.BaseLineAlignment (PowerPoint)

Returns or sets the base line alignment for the specified paragraph. Possible return values are ppBaselineAlignAuto, ppBaselineAlignBaseline - Aligned to the baseline, ppBaselineAlignCenter - Aligned to the center, ppBaselineAlignFarEast50 - Align FarEast50, ppBaselineAlignMixed - Mixed alignment, ppBaselineAlignTop - Aligned to the top.

The value of the BaseLineAlignment property can be one of these PpBaselineAlignment constants

ActiveWindow.Selection.TextRange.ParagraphFormat.BaseLineAlignment = ppBaselineAlignAuto