Information about Form 1040-X, Amended U.S. Individual Income Tax Return, including recent updates, related forms and instructions on how to file. Use Form 1040-X to file an amended tax return. Form …

Learn what an amended tax return is, how to file Form 1040X step-by-step to correct information on your original tax return, and see how H&R Block can help.

Nov 1, 2025 · Form 1040-X lets you fix certain errors, claim missed deductions or credits, and report forgotten income. You don’t need to redo your entire return—just update the numbers that changed. …

Mar 16, 2025 · What Is Form 1040-X, Amended U.S. Individual Income Tax Return? The 1040-X, Amended U.S. Individual U.S. Income Tax Return is a form used by taxpayers who need to correct …

Dec 31, 2025 · IRS Form 1040X is the Amended U.S. Individual Income Tax Return form. It’s what taxpayers use when they need to make changes to a personal income tax return they’ve already …

Aug 7, 2025 · If you have made a mistake on your tax return though, fear not: you can usually file an amended return, known specifically as Form 1040x to correct any mistakes.

Jan 1, 2025 · In this guide, we will walk you through the basics of the 1040X form, its instructions, and how to file it in 2025 and 2026.

Jan 8, 2023 · Form 1040-X is an amended tax return that allows you to correct a previous return on which you made mistakes. You can correct virtually any inaccurate information on Form 1040-X, …

If you filed Form 1040 or 1040-SR electronically and it was accepted by the IRS, you can e-file Form 1040-X. You still have the option of printing and mailing your Form 1040-X if you prefer. If your initial …