A simple yet powerful tool, these letters can express gratitude, boost morale, and improve job satisfaction. 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 >. This is one of the most important memos or letters you will write because it builds good will, respect, and cooperation. Introduce the Recipient. State the person's name and job title, your relationship to her and how long you've known her. I see everything you do and appreciate your tremendous work. Sometimes it's hard to find just the right words. Here are some sample thank you notes you can customize to fit your own unique situation.