Learn about Canon file extensions. Canon Raw Image File (.cr3) is used for Canon raw image files. Canon Raw CIFF Image File (.crw) is another raw image format by Canon. Easy-PhotoPrint EX Calendar File (.epp) stores Canon calendar data. Canon SD Card Version Request File (.req) is used for Canon SD card version requests.
CTG files contain metadata Canon cameras use to organize and display photos. They reside in the CANONSMC folder on Canon camera memory cards. CTGs are not image files. Instead, Canon digital cameras automatically create them to catalog photos on cameras and computers.
Software supporting CRW files includes: Adobe Photoshop, Aperture, and Digital Photo Professional. Besides viewing, some provide write support for CRW files.
Digital Photo Professional software allows RAW image processing, viewing, and editing for Canon cameras. It enables functions like white balance adjustment, color adjustment, and tone curve editing.
The CR2 file format stores photographs from Canon cameras uploaded to computers. As Canon Raw 2, CR2 files contain high resolution, detailed images. Although not easily accessible, many ways exist to open CR2 files.
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