Typically, you must attach a state copy of your W-2 if state taxes withheld are reported on the W-2. So if OH state taxes were withheld, you'd want to attach a copy of the W-2 to confirm your entries. It wouldn't be a bad idea to go ahead and attach a copy to each of your part-year state returns.
Regarding telephone support, it IS available with any paid edition of TurboTax, so you are welcome to utilize telephone support. There is no online chat, but this forum is available to post questions. Hopefully someone will be able to assist you. If you need to contact TurboTax Support by telephone, please use the instructions below.
https://ttlc.intuit.com/replies/3300041
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
