Demystifying the Canon CR3 Codec on Windows 10 If you’ve recently upgraded your Canon gear to a model like the EOS R series or the 90D, you’ve likely encountered the

Microsoft includes a limited set of raw codecs by default (usually for ARW, NEF, and older CR2). However, Canon’s CR3 format is proprietary, relatively new, and requires a license. Microsoft does not automatically bundle a CR3 decoder due to size constraints and licensing fees.