How many prior years can I file taxes?
Ava Robinson
Published Mar 27, 2026
You usually can still get a refund for up to three years prior. So, for 2020, you can still file for 2019, 2018, and 2017. This will also help you with a net-operating-loss carryover.
Can you file multiple tax returns for the same year?
Yes, you can. You will need to file the income from each year, separately. A tax return for each year of income that you need to report.
Is IRS processing prior year returns?
We have processed all error free returns received prior to April 2021 and continue to work the returns that need to be manually reviewed due to errors.
Can you do a prior year tax return?
You cannot complete prior year tax forms using instructions from the current tax year. The tax law changes every year, and using the wrong instructions may require you to prepare the return over again. Double check to make sure that the instructions you are using are for the same tax year as the tax return you are preparing.
What kind of software do I need to file prior years taxes?
TurboTax CD/Download software is the easy choice for preparing and filing prior-year tax returns online. Simply select the year that you need to complete your taxes and we’ll show you which version you need to file a previous years tax return.
Do you need TurboTax to file prior year taxes?
TurboTax CD/Download software is the easy choice for preparing and filing prior-year tax returns online. Simply select the year that you need to complete your taxes and we’ll show you which version you need to file a previous years tax return.
What’s the best way to file multiple year tax returns?
If you’d prefer to do things on paper, you can also use Form 4868, which is an application for an automatic extension. When you file the paperwork, you’ll enter your total tax liability for the year on line 4 and send a check for your payment to the IRS.