Without Exchange server, and with a POP account, all you can do is check
your new (undownloaded) POP mail on the ISP's webmail site or at www.mail2web.com
You can't see the contents of your PST file on another computer unless you
close Outlook on your main computer and set up a mail profile to use the
same PST file across the network - not supported by MS but many have made it
work.