Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).Your employees work hard. Use our employee appreciation letter templates to thank your employees for their effort. A formal appreciation letter or an email to your employees expresses your gratitude for their contribution to your business. 5 Employee appreciation letter best practices 1) Be timely. Craft impactful employee appreciation letters with our easytouse templates. Show your team you care and recognize their hard work. In this article, we provide 16 employee thankyou letter examples and templates with tips to help you show employees your appreciation for their work. A letter of appreciation is a formal or casual way for employers to thank employees for their hard work.