No shit. There's a reason they are killing the nice and simple Windows Mail app; it allows you to sync with your email without Microsoft servers between.
Also, the biggest issue for me is the UX. I use outlook for my work email and like to separate my work and personal life, so soon I just won't have an app for my personal email on my PC.
If anyone knows of a similar windows mail app with good touch support and without such a traditional mouse designed UI, please share it.
In this context (IIRC) smart means "if this zip contains a single folder with contents, directly extract that folder, but if the zip contains files and/or folders, extract all that to a new folder named the same as the zip file".
Some people zip folders while some people zip the files in a folder. Smart extraction just handles both automatically.