No. They contain steps that aren't supported with any released CUE editor version, so you wouldn't be able to open/save them, anyway. There are some customizeable scripts, such as the one mentioned here:
http://www.cisco.com/en/US/products/sw/voicesw/ps5520/products_tech_note09186a008041d950.shtml
and the one attached (which, by default, works exactly like the canned auto attendant). Please read the README file if you intend to use it.
