You can easily sync your professional contacts and calendars with the native macOS apps :
- Open System Preferences and select Internet Accounts.
- Click the "+" icon and select Add Other Account.
- Choose CalDAV account or CardDAV account.
- Set the Account Type to Manual.
- Enter your full email address as the username, your password, and
dav.privateemail.comas the server address. - Click Sign In. Your Mac's Contacts and Calendar apps will now stay updated with your Hostaday account .
