Found a mistake after you filed? It happens more often than you think, and it is easy to fix. A W-2 that arrived late, a filing status that should have been different, or a credit you didn’t know you qualified for can all be corrected with an amended return. Our software and real human tax pros prepare your Form 1040-X and any state amendment accurately, so your records are right and any refund you are owed is on its way.