The message of appreciation should stand alone. Be brief, warm, and sincere.Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word). Please review the following guidelines and sample letter to assist with writing your thank you letter. On behalf of the entire team at < company name >, I would like to acknowledge your invaluable contributions to the workplace. Thank you for your service in the military. You are a courageous hero and very much appreciated. This article explores the value of sending gratitude messages and introduces guidance and templates for writing them. I truly appreciate your dedication and commitment.