Taylor discusses 6 key aspects of writing a resignation letter, including when to give notice, what to say, how to format it, and how to deliver it. Then, state your intent to resign and exact date of departure.Commence your letter with a formal salutation and a concise introductory paragraph. I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. Start with a formal greeting: Address your letter to your immediate supervisor or manager. Please accept this letter as a notice of my resignation. Use one of our resignation letter templates. 1. Today is X date 2. I'm resigning my postion at the company 3. A resignation email is a formal message sent online to your manager and HR department, letting them know you're leaving your job.