Tax software is a type of computer program designed to help individuals and businesses prepare and file their tax returns. It simplifies the process by guiding users through various tax forms and calculations, ensuring they meet all legal requirements. Many programs also offer features like e-filing, which allows users to submit their returns electronically, and automatic updates for changing tax laws. These software solutions often include tools for maximizing deductions and credits, helping users minimize their tax liability. Popular options include TurboTax, H&R Block, and TaxAct, each offering different levels of support and features to cater to various needs.