Gray Exclamation Point when importing raw photos I have been having difficulty with importing RAW photos from my Canon EOS 77D. I am able to see the thumbnail of all photos (which leads me to believe that perhaps photos can process my images.)


But when I click on a photo, I get the following (Please ignore the high ISO): 

What can I do so that I can see/edit my photos?
I checked Apple's Digital camera RAW formats supported by iOS 10 and macOS Sierra page and at present the Canon EOS 77D is not listed in terms of RAW format support.

I expect that support for your RAW format will be included in a future iOS and macOS software update.

In the meantime I would recommend you:


provide feedback to Apple
use one of the other formats