Range.BoldBi (Word)
True if the font or range is formatted as bold. Returns True, False, or wdUndefined (for a mixture of bold and non-bold text). Can be set to True, False, or wdToggle.
ActiveDocument.Paragraphs(1).Range.BoldBi = True
True if the font or range is formatted as bold. Returns True, False, or wdUndefined (for a mixture of bold and non-bold text). Can be set to True, False, or wdToggle.
ActiveDocument.Paragraphs(1).Range.BoldBi = True