Change Accounts settings in Contacts on Mac
Use Accounts settings in Contacts to view or edit information about your contacts accounts, add an account, and set server options, if necessary.
To change these settings in the Contacts app on your Mac, choose Contacts > Settings, then click Accounts.
View a list of your contact accounts (CardDAV and LDAP indicate how data is accessed on the server).
See options for an account: Select it in the list.
Add an account: Click the Add button . If you don’t see your account type listed, click Other Contacts Account, click Continue, then provide the account information.
Remove an account: Select the account, then click the Remove button . Contacts from that account are removed from your Mac.
View a description of your account, which is used as the account’s name in Contacts, and your user information.
Temporarily stop using an account: Deselect the “Enable this account” checkbox. The account’s contacts are removed from your Mac (until you select the checkbox again).
Change how often contacts are updated from the server: Click the Fetch pop-up menu, then choose an option.
View the account’s server address and other server options. If this pane is available, you can view or edit account server settings.