Subscript Property [Excel 2003 VBA Language Reference]
True if the font is formatted as subscript. False by default. Read/write Variant.
Example
This example makes the second character in cell A1 a subscript character.
Worksheets("Sheet1").Range("A1") _
.Characters(2, 1).Font.Subscript = True
Applies to | Font Object
See Also | Characters Object | Superscript Property