retrieve emails

Hi, problem is hard drive gets part through loading Win2000 and freezees, hard drive is making a very loud clicking noise, so I think it has died, anyway attached this hard drive as slave drive and can read all data, the owner is freaking out about her emails and can I retrieve them. Is there a way to do this via windows explorer.
I have looked in the Outlook Express folder but nothing about emails there, are they hidden anywhere else, where does outlook store emails and can I retrieve them, Hope so thanks for the help