Moving Outlook to another PC

I need to setup a new PC, install Office 2007 (with Outlook) and then move the original PST file from the old PC.
This PC runs a POP-type e-mail.
I've done this MANY times in the past and always face the same issue: Outlook will download all the e-mails from the server (Inbox, Sent Items, Deleted Items) and these would then be doubled by the ones I already have in the original PST.
And If I use Outlook with a new PST, after downloading all the data from the mailbox, I would have to open the original PST and copy the stuff that is not found in the just downloaded items, and that takes forever.
Is there ANY way to prevent this?
I looked on-line but I have gotten nowhere.
Thank you.
Who is Participating?
Alan HardistyConnect With a Mentor Co-OwnerCommented:
A couple of ways to do this:

1. Move all mail from the Inbox to a new subfolder and then download all mail items (making sure you have checked the keep a copy on the server) and then delete all mail downlaoded to the Inbox, then move the old Inbox items back.

2. Export the Outlook profile details from the Registry on the old PC and then import that to the new PC and that should take care of the double-downloading (

3. Buy some software to do this e.g.,
Why are emails downloading to a .pst file? Do you have a rule set up for this?
If outlook is in cache mode it'll create an .ost file (offline storage). Are you referring to this?
Neil RussellTechnical Development LeadCommented:
This PC runs a POP-type e-mail.
Alan HardistyCo-OwnerCommented:
What - you can read Neil?  ;)
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