Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 883)

File Numbering
Continuous
Auto Reset
Manual Reset
The captured images saved in a folder are assigned a file number from 0001 to 9999. You
can change how the image files are numbered.
(Example)
(1) File number
1.
Select [ : File numbering].
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