Marketing Cloud Account Engagement syncs with Salesforce every 10 minutes. Marketing Cloud Account Engagement and Salesforce work together to keep data aligned between the two platforms. Some of the data that syncs bi-directionally are leads, contacts, and campaigns. Some of the data that syncs one-directionally from Salesforce to Marketing Cloud Account Engagement are accounts, opportunities, and tasks. Marketing Cloud Account Engagement syncs with Salesforce every 10 minutes by default, but you can also trigger a sync manually or by certain actions. For example, you can sync a prospect from their record in Marketing Cloud Account Engagement or Salesforce, or you can sync a group of prospects by using automation rules, segmentation rules, or imports. You can also sync a prospect by changing their Marketing Cloud Account Engagement campaign, assigned user, or email opt-out status. You can view the sync status and history on the prospect record in Marketing Cloud Account Engagement or Salesforce. For more details —> 18192021