Clicking aside a calendar deselect all the others

[Sylow23]

Well, ok; then I am suggesting that this intentional behaviour be reverted. I link to another discussion where several users suggested the same:

Clicking the "name" of a Calendar Hides/UnChecks all other Calendars?

As at @deviantollam says quote:- attempting to click on the checkbox is really challenging especially on high resolution displays". If you’re off by even a pixel, above or below, eM “Client treats this as though you clicked on the “name” of the calendar”. I agree it’s very annoying when this happens. To fix this problem "maybe eg:- Decrease the hotspot clickable area around the checkbox so that it “does not go past the checkbox outline” to then avoid accidental clicking the small space …