Use Accounts preferences in Calendar to manage calendar account information, server settings, and delegate access. To set these options, open Calendar, choose Calendar > Preferences, then click Accounts.
A list of all your calendar accounts. To see options for an account, select it.
Contains a description of your account, which is used as the account’s name in Calendar. It also contains your user information or an Edit Account button to get to the information.
Use the Refresh Calendars pop-up menu, if available, to set how often your account is refreshed. If you choose Push, the account is updated automatically when you make a change on any of your devices that use the same account, or when someone makes a change to a shared calendar in that account.
If your account has Availability options, use them to set when you can be invited to events.
If the pane is available, it contains the account’s server address and any other server options.
If the pane is available, it allows you to share calendar accounts. To share your account, click Edit, then click the Add button .
To see your up-to-date calendars everywhere, set up your calendar accounts on your Mac and your other devices and computers.