Ohio IT 1040 I-File is a convenient way to file your Ohio individual income tax return. But we recognize that it may seem daunting at first...so we designed this page to help.

Below are the most-commonly asked questions about Ohio I-File, followed by an important note regarding the registration process. Finally, there is a link to the complete list of I-File frequently asked questions.

We hope your enjoy your fast, free, and secure filing experience.

• Are you having problems registering?
• What are the benefits to using Ohio I-File?
• Who is eligible to use Ohio I-File?
• Is Ohio I-File secure?
• What do you need before you begin Ohio I-File?
• What type of hardware and software is required to use Ohio I-File?

NOTE: If you are a first-time tax filer in Ohio, or you previously filed with a non-Ohio address, there are a couple of steps you must complete before you can electronically file. You will need to fax the following information:

1) On cover sheet:

a) Put to the attention of I-FILE REGISTRATION GROUP along with your email address and
b) List your date of birth AND daytime phone number

2) Send clear copies of your Social Security card and at least one additional piece of the following documentation from the list below ( please lighten and enlarge these items for clarity):

a) Your current, valid driver’s license or state issued identification card
b) U.S. passport
c) Military ID – both front and back sides required

3) If you do not have a social security number:

You must obtain a taxpayer identification number from the Internal Revenue Service and provide a copy of that document along with your date of birth and your current valid driver's license issued by a state or territory under the jurisdiction of the United States.

4) Please fax the above information to the I-FILE REGISTRATION Group at 1-206-600-6113.

Once all information is received and verified, we will add you to the Ohio I-File system. Once added, you will be able to register and use Ohio I-File and Ohio E-Payment systems. We ask that you include a daytime telephone  number or email address in the event we have any questions or if  we are unable to add you to Ohio I-File system this tax season. If we cannot add you to the system this tax season, you will be advised to file by paper.

Allow up to 24 hours before attempting to register after submitting your information.

For a complete look at Ohio I-File information we recommend you read the entire list of  Ohio I -File Frequently Asked Questions before you get started.