Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).In the first sentence, say you're grateful for the employee's amazing work. Specify what they've done recently to impress you. 5 Employee appreciation letter best practices 1) Be timely. On behalf of the entire team at < company name >, I would like to acknowledge your invaluable contributions to the workplace. A thankyou letter provides an excellent opportunity to show gratitude for someone's time and effort. They also present you, the sender, in a positive light. I want to convey my heartfelt gratitude to all the members of the foundation who work tirelessly to make the world a better place for individuals like me. Guidelines for writing appreciation letters: State what you appreciate and briefly explain why.