Window live mail is stored on the PCSurely it won't go anywhere, all being hosted and stored at Windows Live?
 Just went to the arrow TAB at top left corner and then choose export e-mail messages
 Just went to the arrow TAB at top left corner and then choose export e-mail messages 
Windows live mail keeps a copy of downloaded/viewed to your pc.
They also remain on your email account on a server anyway, so reinstalling will allow you to just re-download the emails anyway, no real need to download/export them.
 
	