Dear (Mr./Mrs./Miss) followed by last name,
Include in the first few sentences the date you plan to resign, and tell the recipient this should be considered your formal letter of resignation. Use a friendly, professional tone and let the recipient know that you appreciate the opportunity they have given you to work for the company.
Keep it brief and to the point. While there is no need to explain or give reasons for your resignation, it is proper if you are relocating to a new city or plan to go back to school. Leave negative aspects out; there is no point in explaining that your job was boring, or that you feel you were looked over for a promotion.
Thank the recipient again for the opportunities they have provided you, and let the employer know that you are available to help with the transition if necessary.
Hand write your signature directly above the typed version. While writing a resignation letter can seem a little intimidating, the guidelines above will make it a much easier task.