What aspect of state taxes do you want to set up in QM18?It sounds like you're trying to associate an expense category with the state taxes you pay so that it shows up on the Tax Schedule report. Is that what you're trying to do? If so, the edit whichever category(s) you associate with your state tax payments. Click tax related, then Schedule A and State Income Taxes or State Estimated Tax, Qtrly. You are not going to find any state forms (such as 540ES) listed in Quicken -- Quicken doesn't know anything about state taxes. But it does know that state taxes are deducted on Schedule A on the federal return, so that's where you find the line item to associate for the Tax Schedule report.See below for an example of how I have mine set up.