The easiest to use, most complete professional tax software for CPAs and Small Firms. With an easy-to-use, forms-based interface and supported by the industry's largest form library, ATX is ideal for individual preparers and small firms alike. Designed to get you and your support staff up and running as quickly as possible. User-friendly design and features to help you quickly process and e-file returns with minimal errors. A huge library of over 6,000* tax compliance forms. Additional integrations to help you easily import tax information, share files with clients, and more. Identify e-filing errors, omissions, overridden entries, and more with Check Return. Track the refund or balance due with every entry with Refund Meter. Navigate between forms easily using Page, Worksheet, and Form tabs. Federal, state and local returns, including 1040, 1120, 1120S, 1065 and 1041 and corresponding schedules.