What is end-to-end encryption?

Is OurCal’s end-to-end encryption certified?

What is Two-Factor Authentication (2FA)?

Are messages in OurCal end-to-end encrypted?

How do I download my personal data?

How does OurCal make money?

How do I export events from OurCal to another calendar?

Can anyone else in my Calendar Group see my "Only You" calendar?