What Are FDX & FDR Files?
FDR is the file extension used in Final Draft versions 5, 6, and 7.
Documents in newer versions of the software are saved as FDX files.

Flight Data Recorder files may also use the FDR file extension.
Food exchange data files use the FDX file extension, too.
These are used by various cookbook software programs for storing recipe details.
The software isn’t free to download, but there is a 30-day trial option you could get.
TheFinal Draft Go iOS appshould be able to open FDX files.
Melco’sDesignShop should be able to open FDR files that hold embroidery designs.
Flight Data Recorder files may be able to open withVector Flight ControlleroreLogger.
To open food exchange data files on Windows, you might have luck with Radium Technologies’Living Cookbook.
Use a text editor to fire up the file if the information from above isn’t helpful.
Final Draft FDX/FDR files aren’t plain text files, but another file format might be.
If so, a text editor will properly display the file’s contents.
The Final Draft trial only supports opening/converting the first 15 pages of the document.
Still Can’t kick off the File?
If your file doesn’t open at this point, then you’re probably misreading the file extension.
Some examples of file extensions you could confuse for one of these includeFXBandEFX.
While it does look similar, it’s really a picture saved in the FlashPix bitmap image file format.
you’re free to’t open one with the programs linked above.
FRD looks like these extensions, too, but it’s used for frequency response data files.