"XP and Vista do not use passwords to protect resources. NT-based operatingsystems use permissions based on user account access instead. Pass wording of folders is not supported unless you zip them. When you do(right click a folder, then ""send to > compressed folder"") and then open thezip file, you will find an option under file>""add a password"". Otherwise,use third-party software. Google
. ""password protect folders"". For further information on this subject, click the link provided here for you. http://ask-leo.com/can_i_passwordprotect_a_folder.html"