Canon EOS 80D - Manual (Page 144)

3 Setting the Image-Recording Quality
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A RAW image is raw data output by the image sensor converted to
digital data. It is recorded to the card as is, and you can select the
quality as follows: 1, 41, or 61.
A 1 image can be processed with [31: RAW image processing]
(p.390) and saved as a JPEG image. (41 and 61 images cannot
be processed with the camera.) As the RAW image itself does not
change, you can process the RAW image to create any number of
JPEG images with various processing conditions.
You can use Digital Photo Professional (EOS software, p.512) to
process RAW images. You can make various adjustments to images
depending upon how they will be used and generate JPEG, TIFF, or
other types of images reflecting the effects of those adjustments.
RAW Images
 If you select both RAW and JPEG, the same image will be recorded
simultaneously to the card in both RAW and JPEG at the image-
recording qualities that were set. The two images will be recorded with
the same file numbers (file extension: .JPG for JPEG and .CR2 for
RAW).
 The image-recording quality icons are as follows: 1 (RAW), 41
(Middle RAW), 61 (Small RAW), JPEG, 7 (Fine), 8 (Normal), 3
(Large), 4 (Middle), 6 (Small).
RAW Image Processing Software
 To display RAW images on a computer, using Digital Photo Professional
(DPP, EOS software) is recommended.
 Previous versions of DPP Ver.4.x cannot process RAW images taken
with this camera. If a previous version of DPP Ver.4.x is installed on your
computer, obtain and install the latest version of DPP from the Canon
website to update it (p.512). (The previous version will be overwritten.)
Note that DPP Ver.3.x or earlier cannot process RAW images taken with
this camera.
 Commercially-available software may not be able to display RAW
images taken with this camera. For compatibility information, contact the
software manufacturer.