To import a script accurately (meaning it will be converted by Celtx into the right script elements such as scene Headings, Action, Dialog, and so on) use this technique:
1. In the exporting program (we're using Final Draft as an example) make sure that page numbers and any other header and footer information is turned off. We want only formatted script going to the file. In Final Draft, click on Tools, Options, Header/Footer. Just uncheck Header and Footer as shown in the following screenshot, which kills page numbers, and that is all the prep we need:
2. Now (still in Final Draft or whatever program) click on File, Print, and choose your generic text printer, as shown in the following screenshot:
Now, back to Celtx (with an empty Screenplay item open). Click on Script (top menu bar) and Import Script... and select the text file just printed. Celtx does the rest of the work, importing and converting. In my case, looking at the entire script for...