TurboTax is a software package developed by Intuit that helps individuals in the United States and Canada prepare and file their income tax returns. It guides users through the process step-by-step and is designed for a range of tax situations, from simple returns to more complex ones involving investments or self-employment income. There are different versions of TurboTax, including Free Edition for simple returns, Deluxe, Premier, and more advanced options. The software supports both federal and state tax filing and offers features like autofill of tax forms by linking to financial institutions, error checking, and audit defense support. TurboTax is a market leader in tax software and has various guarantees such as accurate calculations, maximum refund or tax savings, and audit support. Additionally, users can opt for TurboTax Live services where tax experts assist or fully prepare tax returns. While it is popular and widely used, TurboTax has faced criticism and controversy regarding its business practices, especially around the availability of the free filing options. In summary, TurboTax is a widely used tax preparation software aimed at making tax filing easier and more accessible through guided assistance, automation, and expert support options. It is developed by Intuit and serves both American and Canadian taxpayers.