Programs enabling conversion of the file:
If your objective is to convert the file from C4D to the file JPG, you can use any of the applications listed. C4D to JPG conversion process in every program intended for this purpose (so-called converters) is very intuitive and everyone is able to manage converting a file.
However, bear in mind that the list may also include programs to support and work with the indicated extensions C4D and JPG - and not only converters. In such a case, you need to open the source file C4D and from the options available in the program, choose ”Save as... JPG" or "Export to JPG".