The FDX file format is the native file format for Final Draft, a popular screenwriting software used extensively in the film and television industry. It's specifically designed to store screenplays, teleplays, and stage plays, adhering to industry-standard formatting conventions. The FDX format preserves all the elements of a screenplay, including scene headings, action lines, character names, dialogue, parentheticals, transitions, and notes. It also supports features like revision tracking, character highlighting, and outlining. The format is optimized for collaboration, allowing multiple writers to work on the same script simultaneously. Final Draft's FDX format ensures that the screenplay is displayed and printed correctly, adhering to the strict formatting guidelines required by studios, production companies, and agents. It also allows for easy export to other formats like PDF for distribution and sharing.