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 >. I want to take a moment to express my heartfelt gratitude for the incredible training sessions you've provided. Write a formal thank you letter to employees for excellent job with appreciation letter for good performance. Example template for job well done letter. The message of appreciation should stand alone. Be brief, warm, and sincere. You can find 13 samples of employee appreciation letters below. Additionally, you can use our editable templates for employee appreciation cards.