Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).On behalf of the entire team at < company name >, I would like to acknowledge your invaluable contributions to the workplace. Be specific about why you are writing them and how it is positive for your business. Thank them genuinely for their support and business. Thank you for your letter with comments on our new service. Thank you very much. You can find 13 samples of employee appreciation letters below. Additionally, you can use our editable templates for employee appreciation cards. Letters should be at least two paragraphs in length but no more than a single page.