Step 1: Log in to the Partner Store.

Step 2: Go to the Customers tab. You can search for the customer name using the search icon if it is not available on the first page.

Step 3: Mouse over the customer name. Click on the edit button as shown in the image below.

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Step 4: You will land on Edit Customer Details page. 

Step 5: Change the customer details as required.

Step 6: Click on the Update button.