The form 2210, Underpayment of Estimated Tax by Individuals, Estates, and Trusts can be accessed if you are using a TurboTax Desktop product as follows:
If you need to get back to the TurboTax entry screens that are related to the underpayment of taxes, to review your entries, you can do the following:
You can get there as follows:
Your screens will look something like this:
Click here for information on entering your estimated tax payments.
Click here for "How Do I Make Estimated taxes"
Click here for additional information on "How to Determine What to Pay and When"
Click here for common questions on Estimated taxes.