How to Import Mails from MS Outlook to Windows Mail in Vista?

Windows Mail cannot import a *.pst file unless MS Outlook is installed on theVista computer.

You can install MS Outlook, copy the *.pst to the Vista computer, open the *.pst with MS Outlook, then you can import into Windows Mail.

Or,

If you have Outlook installed on an XP computer, import the *.pst data into MS Outlook Express, copy the *.dbx files and *.wab file to the Vista computer, and import into Windows Mail.