Goodbye Tax Season! But Wait, What Records Should I Keep? Unless your tax return is extended, the tax filing deadline has come and gone – time to breathe a sigh of relief! But before you throw all of your tax documents up in the air to celebrate, we need to discuss just how long you should keep that information in a safe and secure place. When we talk about tax documents, we’re talking about a copy of the tax returns that were filed, along with “supporting tax return documents” — W-2s, 1099s, receipts, logs for mileage, or any paperwork that will support your tax deductions or credits that you