Quick Stack for mobile portrait?

Hi folks, I’m trying to set up Quick Stack to go from desktop / horizontal to mobile portrait / vertical but I can’t work out how to do so & it remains horizontal. I’ve watched the tutorials on this but I don’t have access to the area he refers to. Any help appreciated!

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hi @Lyndal just set on mobile 1 column :man_shrugging:

Oh my god, I swear I tried. Thanks so much, Stan. That worked… :upside_down_face: