In the opening paragraph, clearly state that you are resigning from your position. You want to give at least a two weeks' notice.Give sufficient notice. Learn how to write a professional resignation letter with our step-by-step guide and easy to use templates. Get your contacts up to date. Writing a simple, concise, and positive resignation letter will be a starting point. The most common practice and standard courtesy of resigning from a company are to provide your resignation letter 2-weeks before your last day. Get your contacts up to date. Add contact details, company name, and date. State your intention to resign: Clearly state in the opening paragraph that you are resigning from your position.