CR3 viewer: open Canon CR3 files in your browser
Open CR3 files right here in your browser, decoded on your own machine with nothing uploaded or installed. CR3 comes from Canon EOS R bodies, and the M50 and 90D generation.
or drop them anywhere on this page
Why won't CR3 files open?
Canon switched to CR3 in 2018, and plenty of software, Windows Photos without Canon’s codec included, still refuses it. That is why your old CR2 files open and the new ones do not.
Open the whole card to group bursts and keep your stars in the files.