Here's a website I came across a while back whilst I was looking for how to backup the full version of outlook. I haven't used it myself but here you go:
Backup:
http://free-backup.info/how-to-backu...k-express.html
Restore:
http://free-backup.info/how-to-resto...644932eefc6059
You might want to get someone to help you if you know very little about PC's