A two (2) weeks notice resignation letter is the most common letter used when notifying an employer of an official resignation. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips.Do you need a proper business formatted letter to resign? Here is a premade template ready for you to fill out. Do you need a proper business formatted letter to resign? Here is a premade template ready for you to fill out. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude. I hope a two-week notice is sufficient for you to find a replacement for me. If I can help to train my replacement or tie up any loose ends, please let me know. The PDF version of these forms are FILLABLE.