The inbox (or whatever box you are currently viewing) can be shrunk or enlarged, but I do not get the resize cursor for the far left panel. Nor do I see a way to collapse it. Is there something in settings that I am overlooking that would allow me to minimize this panel?
the parts with the triangles can be
I am trying to make it thinner left to right so I have more screen for the actual email.
Oh...I don't think you can do that...not yet anyway.