Exchange 2007 SP1, exporting a users mailbox to a PST file

To be able to export a users mailbox including Inbox, Deleted Items, Drafts, Junk E-Mail, Outbox, Sent Items, Journal, Calendar, Contacts, Notes, Tasks to a PST file you need to have a 32bit OS with exchange management tools and outlook (2003 and up) installed the computer also needs to be a member of the domain where the exchange server is located. 

To export the mailbox simply run Export-Mailbox -Identity user@domain.tld -PSTFolderPath c:\mailbox.pst from the exchange management shell which needs to be run as administrator.