"I am so thankful for the laughter and good times we have shared together. 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. Your thoughtfulness is greatly appreciated. I would like to take a moment to thank everyone who helped me with my campaign. I wanted to extend my thanks to you and the others who are committed to this service. Mention how their presence contributed to the success and positive atmosp. Thanks for pointing out my mistake in such a gentle way the other day. I am writing to congratulate you and your talented team on completing the project.