No, you don't need to have QuickBooks to use TurboTax.
If you would like to contact our phone support team (for T1 Personal Tax Returns), you can call them at 1-888-829-8608.
If you need assistance with TurboTax Business Incorporated or preparing your incorporated business tax return (T2), you can contact the dedicated support team using the chat here: https://public-consumer-chat.app.intuit.com/app/ccs/consumer?experienceId=ttbInc. Agents are available 9:00 am to 6:00 pm EST, Monday to Friday. You can also visit the Intuit Profile support site. TurboTax Business Incorporated is based off Profile software.