How do i contact onecart support? Please email [email protected] with your order number and more detail around the issue or call our Help Desk on +27 10 476 1400 You may also send us a direct message on Facebook or Twitter, the messages there are logged as tickets on our support system and the team will assist from there.What is onecart? What is OneCart? OneCart is an on-demand, online, concierge shopping service delivering groceries, baby essentials, pet food and accessories, liquor and thousands of everyday products. With delivery under 2 hours or scheduled when it suits you.How do i make an order on onecart? – OneCart Help Centre What is the order process? Step 1. Visit www.onecart.co.za and enter your address to view the stores available in your area, sign up or start shopping. Step 2. Choose a store, start adding as many products to your cart as you need.Where can i download onecart on a mac? OneCart: Groceries On Demand on the App Store Open the Mac App Store to buy and download apps. OneCart is South Africa's premier grocery delivery service.