H&R Block tax professionals know taxes and can handle all your tax needs including maximizing your refund! Set up an appointment in your local H&R Block tax office or work with your tax consultant from home. Whether you come in to your local Grenada H&R Block office to work with your tax pro or drop off your documents and go, your tax needs are our top priority. If you have filed a tax extension, our tax professionals can help you through the process and walk you through the requirements.