Ive seen various posts and this looks like an impossibility. Why Shopify does not have a specific field to collect date of birth in the customer profile I really don´t understand. I have various Apps. One is for a customer dahsboard and this app allows clients to update details. I have another ReConvert that on the tank you page gives an opportunity to add birthday to receive a gift. I also use Automizely. The first App collects and updates Shopify with any data, but does not record the date of birth. The 2nd ReConvert adds it as a note, but Automizely syncs from Shopify and so as the birthday is a note it goes no where and doesn´t show. This being the App to send out birthday emails is defeated by Shopify not having a simple field to add the date of birth. Come on this is not rocket science! Is there a reason why this is not collected. What is the purpose of having paid apps to do functions that are then thwarted because Shopify won´t collect the date, and is the central sync area.
I am getting frustrated at finding small issues everyday and having to spend so much time with various support teams. My inbox is a mess and nothing is getting fixed.