Thanking your volunteers is essential to building lasting relationships with them. Here are some tips for how to write a good volunteer thank you letter.Here is a sample letter that you would have them fill in with supervisor from the volunteer place. Writing a letter is a simple and meaningful way for volunteers nationwide to say "Thank You" to all who serve. Discover how to write the perfect thank you letter to volunteers. Learn best practices, tips, and get access to three free thank you letter templates. Letter to volunteer from (or a visit with) the beneficiary of the volunteers services. Let the volunteer really see, hear and feel the end result of their work. 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. This week is Volunteer Appreciation Week.