RAW and iPhone photos don't appear together in Photos app

You don't say what sort of Canon camera you have, but it may be that the RAW files are not supported. You can check that here:

Digital camera RAW formats supported by iOS 18, iPadOS 18, macOS Sequoia, and visionOS 2 - Apple Support

If the metadata is preserved in the Canon files, and if you are sorting by Capture Date rather then by added date, and if the cameras' clocks are precisely the same, then they will appear together. Mine do.

That's weird. To narrow things down, try these steps:

• Restart the computer (of course)
• Re-start in Safe Mode. This bypasses certain potentially disruptive processes, and it often helps. Safe Mode is different for different computers, so see this: 

           Start up your Mac in safe mode - Apple Support 

• Use another library if you have one, or make a small test Library with a few pictures in it and see if the same thing happens. You can create a new Library by closing Photos and then option-clicking on the Photos icon.
• Make a new user and see if the same problem recurs with it

The idea is to find out if the problem is with the Library, with your account, or with caches and login items, and stuff like that. One of these steps may fix the problem, but their failure to work also helps figure out what's happening.

Let us know what happens…

cafox513 wrote:

Thanks for this complete, clear answer, Richard. Unfortunately it just shows that my iMac should (!) deal with the Canon's RAW without trouble. Can't imagine it has trouble with iPhone's output.

I'm not sure if I understood-- did your pictures show up together? Is your camera on the list of compatible formats?