You can use the Beep action to sound a beep tone through the computer’s speaker.
The Beep action doesn’t use any arguments.
You can use the Beep action to signal the following occurrences:
The frequency and duration of the beep depend on hardware, which may vary between computers.
To run the Beep action in Visual Basic, use the Beep method of the DoCmd object.
Beep Method; MsgBox Action; ValidationRule, ValidationText Properties.