File type: Raw Image Data
The RAW file extension is used in a 24-bit RGB graphic file that contains pieces of raw and uncompressed image data. It is also used in different settings such as the white balance and exposure that may be edited and modified using the appropriate software application after the RAW images have been saved in the computer.
Category: Image Files
File format: Propriety
Open with Windows: ACD Systems Canvas, Corel Paint Shop Pro, ACDSee Photo Manager, Adobe Photoshop Elements, Any image viewer/editor that supports RAW files
Open with Linux: N/A
The files using the RAW file extension are usually recordings of the direct and exact output taken from a CCD of a digital camera.
While there are RAW files, most of the time, a camera maker would give a different format for their RAW files. These file extensions are usually for their own format.
For instance, Canon uses either the CR2 or CRW, Fuji uses the RAF file extension, Minolta uses the MRW , Kodak uses the KDC, Olympus uses the ORF file extension, and Nikon uses the NEF file extension.
The DNG is used by Adobe, PTX by Pentax, ARW by Sony, and X3F by Sigma.