Due to unforeseen circumstances, I must resign. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. A simple resignation letter template should include your name, position, company name, date, and a brief statement of your intention to resign. Date. Dear (Manager's name),. I am writing to officially tender my resignation from (Company name) effective (Date). I would like to inform you of my intention to resign from (Position Name) at (Company Name), effective two weeks from today, (Current Date).