Canon EOS Rebel T6i W Instruction Manual page 285

A total of up to 999 images of a given rating can be displayed. If there are
more than 999 images with a given rating, [###] will be displayed.
Taking Advantage of Ratings
With [x2: Image jump w/6], you can display only images having the

specified rating.
With [x2: Slide show], you can play back only images having the

specified rating.
With Digital Photo Professional (EOS software, p.404), you can select

only images with a specific rating (still photos only).
With Windows 8.1, Windows 8, Windows 7, etc., you can see each file's

rating as part of the file information display or in the provided image
viewer (JPEG images only).
3 Setting Ratings
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