Merge Address Book Records
You can merge duplicate records in the address book. All transaction history will be merged into the one address book record
Find the two address book records you would like to merge together, you can add them to a worklist or use filters to identify the two
Highlight the record you would like to merge to another record, select Merge and enter the record you would like it to be merged with
Answer yes to the JobBag question
One record is deleted and the other stays active