How To: Export PST from Exchange 2007

1. Launch Powershell on your machine as administrator (your logon needs Exchange Admin rights too)
2. Add-PSSnapin Microsoft.Exchange.Management.PowerShell.Admin
3. Add-MailboxPermission -Identity -User -AccessRights FullAccess
4. Export-Mailbox -Identity -PSTFolderPath -baditemlimit 1000 -Confirm:$false
5. Remove-MailboxPermission -Identity -User -AccessRights FullAccess

That's all there is too it. You'll see a progress "meter" as it were as the export completes: Moving messages. Sent Items (5594/10329) [ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo                   ]