TextStyles Property
Returns a TextStyles collection that represents three text styles — title text, body text, and default text — for the specified slide master. Read-only.
For information about returning a single member of a collection, see Returning an Object from a Collection.
Example
This example sets the font name and font size for level-one body text on slides in the active presentation.
With ActivePresentation.SlideMaster_
.TextStyles(ppBodyStyle).Levels(1)
With .Font
.Name = "arial"
.Size = 36
End With
End With