I was trying to use my ColorChecker Passport to work on my photos, but it needed me to upload a DNG file in order to get set. Now that I converted some photos to DNG, I'm unable to save my files as CR2 the way I was able to prior to converting one folder to DNG. Thanks in advance for your help.
There is no way to convert a DNG file to a CR2 file. Lightroom cannot do that, Photoshop cannot do that. I don't believe you were ever really able to do that. You should still be able to import images as CR2. But you cannot convert images back to that format. Neither Lightroom nor Photoshop or even Photoshop Elements have the capability to save the image files in the original raw format created by the camera.