The format has a TIFF-image structure. It is generated by Canon cameras. The CR2 photo is stored in an uncompressed form and allows you to edit such settings as white balance, exposure, and other settings for photos that were already taken. It is the successor format to CRW, which was used in previous generation Canon SLR cameras.
A file to store text created using free software based on OpenOffice. It’s used to store books, reports, notes, and other textual information. The file has an XML structure, is used as an alternative DOC format and has an open source code.