Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).Thank you very much. Below you will find sample appreciation letters to send or email an individual or individuals who have helped you at work. Guidelines for writing appreciation letters: State what you appreciate and briefly explain why. Ready to start sharing some praise and gratitude? Check out Simply Noted to see how you can easily send out professional, personal thank you notes. We've compiled common types of donation requests, plus carefully crafted templates that your team can use to jumpstart your outreach. Sending out customer appreciation letters is an excellent way to connect with your clients. Learn how to write a customer appreciation letter here.