Canon Community

I'm trying to print a photo on 11x17" paper.  11x17 is not an option and I don't see any ability to enter a custom size.  I'm able to set that size on the printer itself, but 11x17 is not available on any of the printer software settings.  I'm using ...

I recorded a short video on my R5.  I'm able to play it on my camera but when I connect the camera to my desktop, the video show 0 bytes in the folder.  I'm unable to download it to my desktop.  Suggestions?