If you filed your 2014 return using the TurboTax online Free edition -
When you sign onto your online account and are on the Welcome Home screen, click on My TurboTax at the top of the screen. When you are on your 2016 tax timeline, under the section for SOME THINGS YOU CAN DO, click on Add a state (you will not be actually adding a state). This will get you into your 2016 online tax return that you filed.
Click Upgrade, located near the top of your screen. In the pop-up window, scroll down to the bottom, select TurboTax Plus, and click the Upgrade Now button. (Note - if the Plus edition is grayed out then you are already using the Plus edition and you just need to pay for the Plus edition)
To pay for the upgrade so you can access your prior year tax returns, assuming that you signed onto your 2016 account with the exact same user ID you used for the prior returns -
To pay the TurboTax online account fees by credit card, click on My Account at the top of the online program screen. Then click on Print Center. Then click on Print, save or preview this year's return. (Note - DO NOT click on Print or view a prior year return) On the next page, to pay by credit card, click Pay Now. On the next screen just click on the Continue button. The next screen will ask for all your credit card information so you can pay for the account.
If you did not use the TurboTax online editions to file a 2014 tax return -
You have to start a 2014 return using the Free edition from this website - https://turbotax.intuit.com/personal-taxes/online/
You must enter some basic personal information in the Personal Info section of the program to include your Social Security number. Click Upgrade, located near the top of your screen. In the pop-up window, scroll down to the bottom, select TurboTax Plus, and click the Upgrade Now button.
To pay for the upgrade so you can access your prior year tax returns, assuming that you signed onto your 2016 account with the exact same user ID you used for the prior returns -
To pay the TurboTax online account fees by credit card, without completing the 2016 return at this time, click on My Account at the top of the online program screen. Then click on Print Center. Then click on Print, save or preview this year's return. On the next page, to pay by credit card, click Pay Now. On the next screen just click on the Continue button. The next screen will ask for all your credit card information so you can pay for the account
