I'd like to take the time to thank you, most sincerely, for the support and leadership you've given me during my tenure with ABC Organization. In this article, we explain what a resignation letter is, why they're important, provide steps for writing it, and give you a template and examples.Learn how to write a heartfelt resignation letter with our guide. Includes examples and tips for a sincere and graceful farewell. Thank you for all of the professional opportunities I have received during my service at (company name). I wish you and the company continued success. Regards,. Express your gratitude. The final paragraph of your resignation letter should thank your employer for the opportunity to work for the company. It's appropriate to express your appreciation for the opportunities you've had in the role. A resignation letter provides notice that you will leave a company.