Hi Carole,
It will take some comprehensive calls to the Windows API, but yes it is
possible.
Stephen Bullen has an example Excel workbook containing a classmodule
dealing with all sorts of resizing tools for VBA userforms.
Among which: adding Min/Max buttons to userforms.
It will also involve translating some Excel related VBA code to the Word
equivalents or
even skipping VBA code to make things work in Word.
http://www.klippert.com/tcc/Excel/SBullen.htm
Scroll down till you catch up with:
FormFun.Zip
Krgrds,
Perry