Adding photos to a shared album from Photo on Mac
I don't understand how to access or use shared albums on my Mac OS Catalina 10.15.7
I have Photo preferences checked as follows:
I have a shared album called Family, for Family snaps. I can add images to it from my iPhone, but not from the Mac.
If I open an image in Photo on the Mac, and select Add to Shared Album, I can only create a new album, not see the existing Family album:
Nor can I see the shared album in the sidebar:
What am I missing here?
MacBook Pro 13″, macOS 10.15