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(1) Try to create an invoice. Go to Home > Click on the + icon > New Invoice.
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(2) Then click on the No Customer section of the invoice.
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(3) Then click on the + icon.
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(4) Then enter all details of the customer. (First name, Last name, Address, Email, Phone and Terms)
(5) Then click on the Save button to create the new customer.
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(6) Then click on the Ok button to assign that customer to the Invoice.
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(7) Customer name and address will automatically be populated on the invoice.