installing Office xp after uninstalling it

[George]

hi,
i want to reinstall my office xp standard but i know that
after i uninstall it first, there are files still left on
my machine. what do i use if i want to "clean them up"
nad start on a clean base. i am having problems with the
outlook and i think i need to reinstall it from the
beginning.
any help will be appreciated.
Thank you.
George