How can I update my NINE WEST Online account details? May 03, 2019 02:39 Updated Sign In Use the “My Account” links to update your email address, payment information and delivery addresses. Related articles Can I change / cancel my order? I didn't receive my online order confirmation email? What is the phone number for NINE WEST? Who do I contact if I have technical issues with NINE WEST Online? How do I find out about upcoming promotions?