1. From the Network page, Find the duplicate contacts that you would like to merge and Command+Click to select both contacts.
2. Click on the the three white dots on the upper right hand corner of one of the highlighted blue boxes and select Merge Contacts.
3. From the Merge Contacts modal, select which of the contacts you would like to kept. The other contact will be overwritten, but all other data, including numbers and addresses, will be merged.
If you're interested in seeing songs or publishing scenarios that will be affected by the merge, peep by clicking Merged Song List or Publishing at the top of the modal.
4. Click Merge Contacts.
Note: Merge Contacts option is only available for contacts you have created, you cannot merge actual users.