They are optional to pay. The 1040ES quarterly estimated tax payments DO NOT get sent to the IRS or state with your return. So they won't be expecting them. Turbo Tax is very conservative and doesn't want you to owe too much next year. They might have printed out if you got a one time large income this year. Like if you took a IRA or 401K distribution or had a large capital gain. They are just a suggestion. You can ignore them. You might want to adjust your withholding at work so you won't owe too much next year.
