When resigning for personal reasons, use the following template and examples as a starting point to write your resignation letter. Below are some ProTips and a sample resignation letter that you can edit based on the details of your own individual situation."Learn the essential steps and tips for writing a professional two weeks notice resignation letter. Use one of our resignation letter templates. Along with stating that you're leaving the company, you need to include a few extra details in the first sentence or two. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude.