What exactly do you mean by this:
"I filed 2011 2015 2016 2017 in 2018 year return . "
That almost sounds like you put all of your income from those years into one 2018 tax return? Did you do THAT? If you did, you cannot file that--it will be a mess. Each tax year has to be prepared and filed completely separately--in separate mailing envelopes. And there is software for each specific tax year--you have to use the correct software for each year because the tax laws change and the software is for each specific set of laws.
And as SuperUserHackitoff has already pointed out, you will not receive a tax refund for 2011 or 2015, but if you owe tax due for those years the IRS still want to be paid, and they will calculate and bill you later for the penalty and interest you owe after you pay the tax due as shown on the tax return.
The only tax year that can be prepared using the online software program is 2018, which can still be e-filed until October 15, 2019. After that a 2018 return must be mailed in.
If you did begin to prepare those tax returns a few years ago and still need to access them in your account, you can still access and complete 2015, 2016, or 2017:
You have to download desktop 2015, 2016, or 2017 software to a full PC or Mac (not to a mobile device) and then print, sign and mail your return. If you already paid for your TurboTax software, you can contact customer support to push a download of the software to you.
To call TurboTax customer support
https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
They are available from 5 a.m. to 5 p.m. Pacific time.
To finish a prior year return started in TT online:https://ttlc.intuit.com/questions/2559403-how-do-i-finish-a-prior-year-return-that-i-started-in-turb
When you mail a tax return, you need to attach any documents showing tax withheld, such as your W-2’s or any 1099’s. Use a mailing service that will track it, such as UPS or certified mail so you will know the IRS and/or your state received the return.
As for 2011-- you will not be able to get to the software for it. You could get the forms from the IRS to prepare by hand and then mail it.
https://www.irs.gov/forms-pubs/prior-year
If you need to purchase and download the software for 2015, 2016, or 2017:
https://turbotax.intuit.com/personal-taxes/past-years-products/
Don' t forget to file your state returns--you have not mentioned your state. If you live in a state that has a state income tax you need to get caught up with your state returns, too. You can get forms from the state's tax website:
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
