The ?:
Hey Art, do you know how to set up an audible signal when mail arrives in the inbox?
The Answer:
In outlook Express click tools then options.
From the General tab make sure the "Play sound when new message arrive" is checked.
note: Make sure your sound is on and not muted.... see bonus tip below for help.
Checking your volume control.
On your task bar where your clock is, double click on the speaker.
The volume dialog box comes up.  Check the levels and make sure that Mute or Mute all is not checked.