The software mentioned doesn't support CDB, RDB or MDB files. It can convert files from almost any document to another document type, image types, flv or swf. To solve the problem you are facing you should try and use software that has been built to use database files like Full Convert Enterprise. A trial of the software is available for downloading on our website and it contains most of the functions in order to get the job done. Upon downloading and installing the software is designed in a wizard way so you can easily chose the files and the settings you need. When you start the software you will be asked for the input file type then, the output file on the next screen and then the settings for the conversion and you're done.