Each tax year is prepared separately. If you overpaid your tax for 2018, you would have received a refund for that year.
Please be more specific about your situation and someone will try to assist. Thanks.
*** 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.***
