Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).I want to let you know that we are exceedingly satisfied with your recent performance and your fantastic job on the < project name >. A simple yet powerful tool, these letters can express gratitude, boost morale, and improve job satisfaction. This is one of the most important memos or letters you will write because it builds good will, respect, and cooperation. The message of appreciation should stand alone. Be brief, warm, and sincere. Writing a letter is a simple and meaningful way for volunteers nationwide to say "Thank You" to all who serve. To help you create a sincere thank you note, we detail a few guidelines that are imperative, yet easy to follow. There are many options that you, as a county manager or supervisor, have in hiring staff.