Camera Image File Format


In digital photography, the Camera Image File Format file format is a raw image format designed by Canon, and also used as a container format to store metadata in APP0 of JPEG images. Its specification was released on February 12, 1997.
The CIFF standard consists of two parts, CIFF Specification on Image Data File and CIFF Specification on File/Directory organization and File Handling Protocol. The format was developed and maintained by Canon with input from the CIFF Forum. The format is no longer used by Canon, having been superseded by the CR2 file format.

Digital cameras

The CRW format was supported by some earlier Canon digital cameras:
Besides Canon's ZoomBrowser and Digital Photo Professional, several other software programs provide read support, and sometimes write support, for CRW files including: