In this long-form guide, we will explain exactly what the CR3 codec is, why Windows 10 doesn't natively support it, how to install the correct codec, and what to do when things go wrong.
While this solves the problem of opening the files, it does not always solve the issue of seeing thumbnails in Windows Explorer if the Microsoft extension is missing. canon cr3 codec windows 10
The shift from the older .CR2 to .CR3 wasn't just a naming change; it was a total architectural overhaul. In this long-form guide, we will explain exactly
Microsoft offers a free, official extension called from the Microsoft Store. As of recent updates (2020 onward), this extension now supports CR3 files from many Canon cameras. Microsoft offers a free, official extension called from
Use this checklist to get CR3 working on your Windows 10 PC:
Windows thumbnail cache is corrupted or the codec hasn’t registered for that specific CR3 variant (e.g., C-RAW vs Lossless RAW).
Historically, Canon provided its own "RAW Codec" software. However, this software has largely been discontinued in favor of the Microsoft extension mentioned above. Canon now directs users to their proprietary editing suite, .