Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).We are grateful to you for your help and support. Below you will find sample appreciation letters to send or email an individual or individuals who have helped you at work. In this article, we offer some tips and examples to help you write a great thankyou letter to your manager. I would like to take a moment to thank everyone who helped me with my campaign. Once again, thank you for your unwavering support and encouragement. Your belief in me has made a profound difference in my life, and I am forever grateful.