I do not know, but what I did was to make a copy of "My Documents" folder , which has all my self generated data in it on a USB HD. Then reimported it after a clean install of W7. The other thing is eMail. I switched from OE to Outlook, but this ia a seperate subject to reveiw. You have to install other programmes from original discs. If you have kept downloaded bought programmes,these could also be copied to the external HD.Not sure of the advantage of the lead to which you refer.