Keep tax returns for at least three years, and longer if you own a business, have rental income, or made large charitable donations

The Internal Revenue Service (IRS) can audit your return up to three years after you file it. That is the baseline: keep your tax return itself, plus the documents you used to prepare it, for three years from the date you filed. If you filed on April 15, keep everything until April 15 three years later. If you filed an extension and submitted on October 15, the three-year clock starts from October 15.

But three years is not always enough. The IRS can go back six years if it suspects you underreported income by 25 percent or more. And if you did not file a return at all, there is no time limit — the IRS can audit any year you skipped. For most people, three years covers the risk. For others, longer storage is the safer choice.

Key Takeaways

  • Keep your filed tax return and all supporting documents for at least three years from the date you filed, because the IRS can audit returns within that window.
  • If you own a business, have rental property income, or made large charitable donations, keep records for six years or longer, because the IRS has extended audit authority for those situations.
  • Supporting documents include W-2s, 1099s, receipts for deductions, mortgage statements, investment statements, and anything else you used to calculate the numbers on your return.
  • You can store tax returns digitally (scanned copies, PDFs, or photos) as long as the image is clear and complete, or keep paper originals in a safe place.
  • After the retention period ends, shred paper documents or securely delete digital files to protect your personal information.

What documents to keep with your tax return

Your tax return is only one piece. The IRS wants to see the documents that back up the numbers on it. If you claim a home office deduction, keep the square footage calculation and utility bills. If you deduct medical expenses, keep receipts and explanation of benefits from your insurance. If you claim charitable donations, keep receipts or written acknowledgment from the charity.

For employment income, keep your W-2s and any pay stubs that show year-to-date totals. For investment income, keep 1099-INT (interest), 1099-DIV (dividends), and 1099-B (brokerage sales). For self-employment or side income, keep invoices, receipts, mileage logs, and bank statements showing deposits. For mortgage interest and property tax deductions, keep the annual statements from your lender and tax assessor. If you made estimated tax payments, keep the payment confirmations.

The rule is straightforward: if a number appears on your return and you had to calculate or verify it, keep the document that shows how you got there. An auditor will ask to see it.

When to keep records longer than three years

If you own a business or are self-employed, keep records for six years minimum. The IRS scrutinizes business returns more closely and has longer to challenge them. The same applies if you have rental property income — keep lease agreements, repair receipts, depreciation schedules, and all income and expense records for six years.

If you claimed a large charitable donation (especially of non-cash property like a car or artwork), keep the appraisal, the charity's written acknowledgment, and your Form 8283 for six years. If you claimed a loss carryforward (a business loss you are spreading across multiple years), keep those records as long as you are using the loss — which could be many years.

If you received a notice of audit or the IRS contacted you about a specific year, do not discard those records until the audit is closed and any appeals period has ended. That can take two to three years after the initial notice.

Digital storage versus paper: what works

You do not have to keep paper originals. The IRS accepts digital copies — scanned PDFs, photographs, or files downloaded from your bank or brokerage — as long as the image is clear, complete, and shows all the information on the original. If you photograph a receipt with your phone, make sure the text is readable and the entire document fits in the frame.

Many people scan documents to a cloud service (Google Drive, Dropbox, OneDrive) or keep them in a password-protected folder on their computer. This works well if you back up your files regularly. If you rely on a single hard drive and it fails, you lose everything. A better approach is to scan to your computer and also back up to a cloud service, or use a service that automatically backs up.

If you keep paper originals, store them in a dry place away from direct sunlight — a filing cabinet, a box in a closet, or a safe deposit box. Do not store tax documents in a damp basement or an attic where temperature swings can damage them. Label the box or folder with the year so you know when the retention period ends.

What to do when the retention period ends

Once three years (or six years, if applicable) have passed since you filed, you can discard the documents. For paper, shred or burn them — do not just throw them in the trash, because they contain your Social Security number, bank account information, and other sensitive data. A cross-cut shredder is safer than a strip shredder.

For digital files, delete them from your computer and empty the trash or recycle bin. If you stored them in the cloud, delete them there too. If you used a password manager or stored passwords in a file, delete those as well. A single deleted file can sometimes be recovered with forensic software, so if you are concerned about security, use a find deletion tool (many are free) that overwrites the file multiple times before removing it.

Keep your filed tax return itself for longer — many people keep returns indefinitely for their own records, in case they need to reference income history for a mortgage process or other purpose. There is no harm in keeping it, and it costs nothing if stored digitally.

Special situations: amended returns and prior-year issues

If you file an amended return (Form 1040-X), keep the documents for that amended return for three years from the date you file the amendment, not from the original filing date. The IRS can audit the amended return separately.

If you discover an error on a return after the three-year window has closed, you can still file an amended return, but the IRS will not pursue it unless the error is large or involves fraud. Keep the documents for the original return anyway — they prove what you originally reported, which matters if the IRS questions the amendment.

If you received a refund and the IRS later claims you owed money instead, or vice versa, keep all documents related to that dispute until it is resolved, even if it goes beyond three years. The same applies if you are involved in an IRS payment plan or installment agreement — keep records until the debt is fully paid.

Frequently Asked Questions

Do I have to keep receipts if I have a credit card statement?

A credit card statement shows that you made a purchase and how much you spent, but it does not always show what you bought. If the IRS asks, you may need the receipt to prove the expense was deductible. For example, a statement showing a charge to a medical clinic proves you paid, but the receipt shows what service you received. Keep both when possible.

What if I lost some documents before the three years were up?

If you lost a receipt or statement, do not panic. You can reconstruct some documents — your bank can provide copies of old statements, your employer can reissue a W-2, and your brokerage can print historical transaction records. If the IRS audits and you cannot find a document, explain what happened and provide what you do have. An audit is not automatic rejection; the auditor will decide whether your other evidence is convincing.

Can I throw away documents if I have a copy on my computer?

Yes. Once you have scanned a document and verified the scan is clear and complete, you can discard the paper. Keep the digital copy for the full retention period. Make sure you have a backup of the digital files in case your computer fails.

How long should I keep documents for a house I sold?

Keep records related to the sale (purchase price, improvements, selling costs, closing statement) for at least three years after you file the return reporting the sale. If you claimed a loss on the sale, keep records for six years. If you did not report the sale on your return (because you lived in it and claimed the primary residence exclusion), you can still keep the documents for your own records, but the IRS retention rule does not explore.

Do I need to keep my W-2 if I have my pay stubs?

Keep both. Your W-2 is the official record the IRS has on file for you, and it shows year-to-date totals and tax withholding. Your pay stubs show individual paychecks. Together, they prove your income and what was withheld. If one is lost, the other helps reconstruct the picture.