If you have a Shopify store, you can use a signup form with custom fields and transmit the data directly to Mailchimp. Keep in mind that this feature is for those with coding experience. If you don’t know how to code, contact a Mailchimp expert for further assistance. When you connect your Shopify store to Mailchimp, you can easily add custom tags to organize your contacts and create segmented audiences. This way, you can ensure that your contacts receive content they actually want to see.