Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).Here are five scenarios that warrant a thank you letter to employees with examples of how to word them. This is one of the most important memos or letters you will write because it builds good will, respect, and cooperation. A thankyou letter provides an excellent opportunity to show gratitude for someone's time and effort. They also present you, the sender, in a positive light. Guidelines for writing appreciation letters: State what you appreciate and briefly explain why. Write a formal thank you letter to employees for excellent job with appreciation letter for good performance. Example template for job well done letter. We all appreciate your efforts in making this team a success.