Only by adding default text that takes up more space. But you can put the
form field into a table cell with exact column width and row height, which
will create the illusion of larger size (but also limit the length of the
response unless you use "At least" for the row height instead of "Exactly").
--
Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://www.mvps.org/word