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All you need is WORD and a good formatting book, like "Standard Script
Formats-Part 1 (Screenplay) by Cole and Haag. It takes a short time to
set up for yourself, but all you really need are accurate margins and good
Macros. I suggest different "Styles" for dialog, description and
character headings. If you already have WORD, the book only costs $20 or
so, and you know it is correct.