Create an input mask for a control

1. Open a form in Design view.
   
   
2. Select a text box or a combo box, and then click Properties on the toolbar to open the control's property sheet.
   
   
3. Do one of the following:
   • Type the input mask definition. For information on how to define an input mask, click .
     
     
   • In a Microsoft Access database (.mdb), click the Build button in the InputMask property box to start the Input Mask Wizard, and then follow the instructions in the wizard dialog boxes.