I agree, I've been using it for more then 10 years now and migrated between multiple machines and os platforms, all while holding onto several email accounts fo

I agree, I've been using it for more then 10 years now and migrated between multiple machines and os platforms, all while holding onto several email accounts for historical needs. That said, I also feel it is one of the worst calendar clients around. I've used lightning, I've tried the calendar plugins for google, things just don't work.