Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. 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. How To Write A Short Resignation Letter? It's time to quit the job, and you're not giving two weeks' notice. Here's how to politely write a resignation letter, effective immediately. The PDF version of these forms are FILLABLE. They can be filled out electronically, then printed.