Available in: Salesforce Classic and Lightning Experience Available in: Professional, Enterprise, Performance, Unlimited, and Developer Editions User Permissions Needed To create or update custom report types: “Manage Custom Report Types” To delete custom report types: “Modify All Data” Report Type Possible Use A (Primary Object) B Additional Steps Account Duplicates Create reports on the duplicate accounts that were found by your duplicate rules. Accounts Duplicate Record Items Contact Duplicates Create reports on the duplicate contacts that were found by your duplicate rules. Contacts Duplicate Record Items Lead Duplicates Create reports on the duplicate leads that were found by your duplicate rules. Leads Duplicate Record Items All Duplicates Create reports to see how well your duplicate rules are performing. Duplicate Record Set Duplicate Record Items Add the Duplicate Rule Name lookup field to the Duplicate Record Set page layout.