True if the specified text is subscript, False if it's not subscript, or msoStateMixed if some characters are subscript and some aren't. The default value is False. Read/write Long.
Remarks
Setting the BaselineOffset property to a negative value automatically sets the Subscript property to True and the Superscript property to False.
Setting the BaselineOffset property to a positive value automatically sets the Subscript property to False and the Superscript property to True.
Setting the Subscript property to True automatically sets the BaselineOffset property to – 0.25 ( – 25 percent).