Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).Guidelines for writing appreciation letters: State what you appreciate and briefly explain why. I would like to take a moment to thank everyone who helped me with my campaign. These letters tend to require a more formal tone and construction than a typical letter. On behalf of the entire team at < company name >, I would like to acknowledge your invaluable contributions to the workplace. No need to overthink your messagethe most important thing is to make sure you say "thank you" in the letter. Example: "Once again, thank you for assisting this project. Your positivity and willingness to help never goes unnoticed and are always appreciated. Your unwavering support has been a constant source of comfort and encouragement for me, and I can't thank you enough.