Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).Learn how to write an employee appreciation letter for different circumstances, work relationships and company cultures using our templates and examples. Guidelines for writing appreciation letters: State what you appreciate and briefly explain why. The Riverside Church in the City of New York. We are an interdenominational, interracial, international, open, welcoming, and affirming church and congregation. Thank you again for your kindness and generosity. We hope to continue to have your support in the future. Sincerely,. You can find 13 samples of employee appreciation letters below. Additionally, you can use our editable templates for employee appreciation cards.