Explain why you're leaving. Briefly explain the reasons you've decided to leave, both related to your current job and to your new position.We've rounded up tips and examples for writing a resignation letter that'll help you maintain work relationships long after leaving a company. Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. In the letter, just say thank you for the opportunity to work here for x time. Please accept this letter as my resignation. Leaving a job isn't easy. Please accept this letter as a notice of my resignation. Here's how to write a resignation letter when you're quitting for a job with a better compensation package, and you want to provide your employer with a reason. Clear Intent: State your intention to resign unambiguously.