Range.Bold Property (Word)
True if the range is formatted as bold. Read/write Long.
A variable that represents a Range object.
Returns True, False or wdUndefined (a mixture of True and False). Can be set to True, False, or wdToggle.
This example toggles the bold format for the selected text.
If Selection.Type = wdSelectionNormal Then
Selection.Range.Bold = wdToggle
This example makes the first paragraph in the active document bold.
ActiveDocument.Paragraphs(1).Range.Bold = True