Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).You can find 13 samples of employee appreciation letters below. Additionally, you can use our editable templates for employee appreciation cards. Learn how to write an employee appreciation letter for different circumstances, work relationships and company cultures using our templates and examples. Writing a proper appreciation letter to employees can be time consuming. The message of appreciation should stand alone. Be brief, warm, and sincere. Below you will find sample appreciation letters to send or email an individual or individuals who have helped you at work. 5 Employee appreciation letter best practices 1) Be timely.