I didn't know that LogMeIn was a VPN. I thought it was just a remote desktop solution. I'll check it out in more detail now. Either way, you've done good and solved your problem easily. Congrats!

Yes, you can share files across workgroups or even across domains. Just connect to the resource that you wanna connect to by IP address instead of by name (heck, in some cases, even doing it by name will still work, but IP address will always work).

Like so:

Start
Run
\\ser.ver.ip.adr\sharename\

Make sure they're all backslashes and not forward slashes.

It'll prompt you for credentials, make sure you supply credentials that are appropriate for the computer and/or domain and the share you're connecting *to*.

Of course you have to have a ROUTE TO the server ip address. For example, if you're on the wrong side of a firewall or a router, you won't get in without a VPN.