Tip: Incorrect CR2 file association errors can be a symptom of other underlying issues within your Windows operating system. These invalid entries can also produce associated symptoms such as slow Windows startups, computer freezes, and other PC performance issues.
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Therefore, it highly recommended that you and other issues related to a fragmented registry. Answer: CR2 files are Raster Image Files primarily associated with Curious Labs Poser Character File. CR2 files are also associated with Canon Digital Camera Raw Image Format (Canon Inc.) and FileViewPro.