Click the Calendar button. The Calendar dialog box appears.
Select a month from the drop-down menu, or click the left arrow to select a previous month or the right arrow to select a proceeding month.
Select a year from the drop-down menu, or click the left arrow to select a previous year or the right arrow to select a proceeding year.
Select a day by double clicking one of the days displayed in the dialog. The dialog box closes and the selected date is entered into the appropriate field.