Sync Contacts Between Salesforce and Google Contacts

Now contacts sync in both directions between Google Contacts and Salesforce. Set up reps to sync both ways so that they can create and edit contacts from the application that’s most convenient to them: Gmail or Salesforce. This change applies to Lightning Experience, Salesforce Classic, and all versions of the Salesforce1 mobile app.

User Permissions Needed
To prepare your Google for Work account to communicate with Salesforce: The Owner role on your company’s Google for Work account, which gives you administrative permissions
To access Lightning Sync setup in Salesforce: Customize Application
To create, edit, or delete Lightning Sync configurations: Manage Exchange Configurations AND Manage Users
To set up contacts to sync between Google Contacts and Salesforce, first set up contacts to sync with Salesforce from your company’s G Suite account. Then, select the Sync Both Ways option for contacts from your reps’ Lightning Sync configurations.