Please provide a way to switch between calendar and mail with one button click, instead of opening a menu. I'm annoyed every time I want to look at the calendar that I click the 4-dot button, then choose calendar. There is plenty of real-estate in the app to put some tabs or buttons for this.

Also- it would be nice to be able to open the calendar directly from a windows shortcut icon.

I up-voted these:
"It would be great if there was a keyboard shortcut to switch between calendar and mail on the desktop app"
"Separate mail and calendar into different apps"