Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).Writing a letter of gratitude is a great way to show appreciation for someone that made a difference in your life. Guidelines for writing appreciation letters: State what you appreciate and briefly explain why. I am writing to thank you very much for interviewing me after the Michigan Tech Fall Career Fair. On behalf of the entire team at < company name >, I would like to acknowledge your invaluable contributions to the workplace. If you need to show people how much you value their loyalty, check out these sample employee recognition letters for years of service. In this article, we explain what an appreciation letter is and how to write one with tips, examples and seven easy steps to write your own. Dear Aunt Sara, Thank you for the wonderful sweater you sent me for Christmas. I appreciate your thinking of me at the holidays.