A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude. The best way to resign would be to type a letter, print it, then sign it and deliver it to the appropriate person.Use their name and formal title, such as "Dear Mr. Smith" or "Dear Dr. Johnson. A basic resignation letter should include the fact that you're resigning and the last day you will work. I apologize for any inconvenience this may cause. Third paragraph: This section should focus on the positive aspects of your job. Depending on your employment contract, location, and relationship with your former employer, a resignation letter can be printed or sent via email. How to Write an Immediate Letter of Resignation? I am writing to inform you that I will be resigning from my position as (Title) at (Company Name). Create a clear subject line.