A reply given previously by Critter about Form 8275:
You are correct Form 8275 is not supported by TurboTax.
According to the IRS:
Not sure exactly what you are asking when you say you want to "manually change" the itemized deductions. Do you mean you want to force it to itemized from standard deduction?
HOW TO FORCE ITEMIZED DEDUCTIONS
https://ttlc.intuit.com/questions/1900142-how-do-i-change-from-the-standard-deduction-to-itemized-or-vice-versa
Or do you mean something else?
@Critter?