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. Here are eight situations where you can send your employees a thank you letter and show how much you appreciate their efforts.The efforts of volunteers like you are a vital part of that community. Thank you again, and I look forward to continuing to work with you in the future. A customer thank you letter is an appropriate time to ask some basic follow-up questions to make sure the customer feels that his or her needs are served. I would like to extend a personal thanks to all of the wonderful volunteers who have helped make many of VSS's projects and events possible.