An employee appreciation or thank you letter is a formal message from an employer that recognizes the former's contribution to the company they work for. Org, or give us a call at (561) 822-1858.Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word). The main reason why you want to thank an employee; Sign off. Here's a small samples of a appreciation letter done right. A simple yet powerful tool, these letters can express gratitude, boost morale, and improve job satisfaction. This will provide the opportunity for all AESOP bargaining unit employees in the District to apply for and be considered to fill the posted vacancy,. (c). Employment History Recognition Exemption. An Employment History.