Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).In this article, we offer some tips and examples to help you write a great thankyou letter to your manager. Here's information on when and how to say thank you to your manager, with examples of the best way to relay your appreciation to your boss. You can find 13 samples of employee appreciation letters below. Additionally, you can use our editable templates for employee appreciation cards. In this article, we will explore the various benefits of expressing gratitude, how to write an effective thank you letter to a boss, and provide examples.