A simple yet powerful tool, these letters can express gratitude, boost morale, and improve job satisfaction. The message of appreciation should stand alone.Be brief, warm, and sincere. The Office of Governor Cooper can provide letters of recognition for special events and occasions held in the state of North Carolina. Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word). I'm writing to express my thanks for your prompt and resourceful handling of my financial issues.