if you use EOS D2000, RAW images should be converted in advance using CR2 Converter for Mac OS X.
CR2 Converter for Mac OS X converts RAW images taken by EOS D2000 into RAW images with CR2 extensions so that they can be displayed/edited in Digital Photo Professional.
CR2 Converter for Mac OS X is only available in English. You can download CR2 Converter for Mac OS X in the same way as Digital Photo Professional Updater for Mac OS X.
The download file is created and saved as a compressed disk image file. Double-click the file to display the disk image icon, and it will start automatically. Copy the folder [CR2 Converter] and save it to your hard drive to use.