What is Switch Share Duplicate and how does it work? Amway Support 10 October 2017 04:56 Updated Amway Switch, Share and Duplicate is a tool that quickly calculates the additional income you could earn when you and your friends switch from consuming supermarket drinks, snacks, supplements and beauty products to Amway’s brands. Related articles How can I download Switch Share Duplicate? Can I download Amway Central on my desktop or laptop computer? If I need to contact an Amway Naturopath who can I email? What are the key features of MyBiz?