A Calendar window can be accessed by clicking the button when the cursor is in a Date field or by pressing Alt + Down-Arrow.

The Calendar window can be used to select any date.

Change Date You can click the desired date or use the arrow keys to move the cursor to a different date.
Change Month You can click the arrows surrounding the month or use the PgUp and PgDn keys to scroll to previous and subsequent months.
Change Year You can click the arrows surrounding the year or use the Ctrl-PgUp and Ctrl-PgDn keys to scroll to previous and subsequent years.

The OK button will select the date where the cursor is located.

The Clear button will close the Calendar window and reset the date to mm/dd/yyyy.

The Today button will move the cursor to the current date.

The QuickDate Calculator button will display a QuickDate Calculator window.