come across MS Works during the course of my work, so I'm useless as far as that's concerned.
However...I do have a group of TV film scriptwriters as clients, and they use a special film-script software. It produces scripts that are automatically formatted to the standard expected by the industry, and the best news is - it's absolutely free. Your father might be interested. It's called Synergy Script Editor, and if you
click here you can download it.