Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience.Simple resignation letter and email message samples to use to quit a job, as well as tips for what to write and how to resign. How to Use Two Weeks Notice Letter? In your letter, you don't have to go into detail about the exact reason for your departure simply state that it is due to personal reasons. How to Use Two Weeks Notice Letter? In your letter, you don't have to go into detail about the exact reason for your departure simply state that it is due to personal reasons. With deep regret, I am writing to inform you that I am resigning from my position as sales manager for personal reasons. The employee should make sure to include their name, current job position, a brief explanation of why they are resigning, and what date their last day will be. I have decided to resign due to personal reasons that require my immediate attention.