>That sounds like it should work, do you have any sample code or know the syntax I would have to use to get this to work ?
>
>Thanks again

Of the top of my head:

use myReport.frx
copy to myTempReport.frx 
use myTempReport.frx
if 'DUPLEX' $ myTempReport.Expr
   replace expr with strtran(expr,'DUPLEX=1','DUPLEX=0')
else
   replace expr with expr+chr(13)+'DUPLEX=0'
endif