I-File [Fast, easy and secure] is the online program which let taxpayer to complete their tax return on Ohio State website and e-file their Ohio state taxes. Below is the Link to see the I-File offered webpage from the Ohio government website.
[Above link will redirect you to Ohio Government Website for IFILE.]
After registering yourself on the I-File, I-File wizard asks a series of questions. And based upon that it compiles a state or school district income tax and you can do print or E-file Ohio state tax return.
E-Forms is another option which let taxpayer to complete their state taxes free of cost. You can able to see and complete the forms in Adobe acrobat version (.PDF) file and will able to put the values directly into the form. It will do most of the math on the form. We can find out more information on below link.
[Above link will redirect you to Ohio Government Website for E-Forms option.]
And if you owe taxes, then you can have e-payment options available to pay your taxes by e-check or credit card on Ohio website.
[The above content is taken from the Ohio government website. Referral link will be http://tax.ohio.gov/divisions/communications/electronic_filing_options.stm]