Several tools can help manage data errors effectively: 1. Email Validation Services: Tools like ZeroBounce and NeverBounce can help verify the accuracy of your email addresses. 2. CRM Systems: Customer Relationship Management (CRM) systems like Salesforce or HubSpot can help maintain clean and accurate data. 3. Data Cleaning Software: Tools like Data Ladder and Trifacta can help identify and rectify data errors.