In order to learn how to write a resignation withdrawal letter, you can check the samples provided in the article. Use the first sentence in the first paragraph to clearly state that you are retracting the resignation letter that you previously sent.To write a withdrawal letter of resignation, address it to your direct supervisor or HR department. Please explain why you decided to leave and why you want to return. I am writing this letter to request you to withdraw my resignation application which I had applied for on 10th February 2022. I am writing to request a withdrawal of my resignation letter.