Write a short note in a thank you card. You appreciate their support it ment a lot to you.Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word). Here are a few samples of customer appreciation letters to help you as you write your own: "Thank you for your loyalty. We are so thankful for your ongoing support and sponsorship of our organization's events. All you need to do is choose one of our thank you email templates, fill in the blanks with your content and hit the Send button. Your hard work, expertise, and ability to overcome challenges were instrumental in its success. Thank you for your dedication to excellence. Sending handwritten thankyou notes is a great way to establish a personal connection with your customers.