In XP click on 'Help and Support' and in the Search box type 'files and settings transfer wizard'.
That will answer your main question.
However, I'm a bit bemused. You say "I also do not want to re-install my office programs because I have lost all the relevant details I need for loading it onto the computer".
Surely, it's just a case of shoving the Office CD into the CD drive and following the instructions, isn't it?