Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).A simple yet powerful tool, these letters can express gratitude, boost morale, and improve job satisfaction. 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. This article explores the value of sending gratitude messages and introduces guidance and templates for writing them. Guidelines for writing appreciation letters: State what you appreciate and briefly explain why. Thank you for meeting with me earlier today. I want to thank you so much for your help in organizing the last meeting with our customers. It truly made my job easier.