550D software

Hi Wayne,

By 550D software do you mean Digital Professional Pro, the software that came with your camera? If so that's a very strange problem. You most certainly can edit RAW (.cr2) files. Could be some kind of compatibility problem. I'm fairly sure you can download the latest version of DPP from Canon's website, that might be worth a try.

As for compressing the RAW files. You can't. Not directly. Storing them in a .zip file when not in use might shrink them down a bit but I've never tried it. When you finishe editing the RAW file you convert/export it it to jpeg which will be a lot smaller than the RAW file.

Hope all that helps.
 
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