Canon EOS M50 Mark II Advanced User's Manual page 432

3.
Select the desired image size.
Press <
Select the desired image size (1).
4.
Save.
Select [OK] to save the resized image.
Check the destination folder and image file number, then select [OK].
To resize another image, repeat steps 2 to 4.
Note
For details on image sizes of resized images, see
> to display the image sizes.
432
Still Photo Pixel Count.