ParagraphFormat.Alignment (PowerPoint)

Returns or sets the alignment for each paragraph in the specified paragraph format. Possible return values are ppAlignCenter - Center align, ppAlignDistribute - Distribute, ppAlignJustify - Justify, ppAlignJustifyLow - Low justify, ppAlignLeft - Left aligned, ppAlignmentMixed - Mixed alignment, ppAlignRight - Right-aligned, ppAlignThaiDistribute - Thai distributed.

The value of the Alignment property can be one of these PpParagraphAlignment constants.

ActiveWindow.Selection.TextRange.ParagraphFormat.Alignment = ppAlignCenter