SpaceAfter Property
From Microsoft PowerPoint Visual Basic
SpaceAfter Property
Returns or sets the amount of space after the last line in each paragraph of the specified text, in points or lines. Read/write Single.
Example
This example sets the spacing after paragraphs to 6 points for the text in shape two on slide one in the active presentation.
With Application.ActivePresentation.Slides(1).Shapes(2)
With .TextFrame.TextRange.ParagraphFormat
.LineRuleAfter = False
.SpaceAfter = 6
End With
End With