I have a new laptop. I have installed Office 2007 and copied my pst files and ost files from my old laptop. When I open outlook it goes to the pop3 server and downloads all the mail that has already been downloaded so that I have multiple copies of all my email. Is there a setting or file that I need to get from my old laptop to keep this from happening

Well first, you need to understand that most POP3 configurations have a setting to leave a copy of your content on the server. This means that all of the saved data you have stored in your local .PST is still found on your POP server. This will create duplicates if when importing you did not select Do not import duplicates.

You mentioned you imported an .OST file. An OST file is created if you have an exchange account. Do you have 2 accounts configured within your Outlook client?

Best Regards,