Reen,
In form design mode select View/Properties from the upper menu bar. In
the Properties dialog box select the All tab, and locate the Input Mask
property.
You can make your changes right there.
--
hth
Al Campagna
Microsoft Access MVP http://home.comcast.net/~cccsolutions/index.html
"Find a job that you love... and you'll never work a day in your life."