Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. Use a one week notice letter template to inform your current employer that you plan to resign within seven days.Pick the perfect wording and convey the message best suited for your situation. A resignation letter needs to include your contact information, official notice that you're resigning, and when your final day of work will be. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. Include the position title and the last day you intend to work. Include the position title and the last day you intend to work. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude. I have decided after deep consideration that this line of work is not well suited to a person of my disposition. It is after much thought that I have decided that I must submit this resignation to you.