Final Draft 12 / 11 / 10 / 9 / 8 can open scripts written in FD 7 / 6 / 5 (.fdr). When an .fdr file is opened in FD8 or later it will automatically be converted to the FDX file format (.fdx).
Final Draft 12 / 11 / 10 cannot save scripts as FDR files.
2023
https://fd.support/3qvCj8G