Write an excellent thank you letter for donations. Get tips and best practices, plus three inspiring samples and ready to use templates!Here's 20 ideas for how to make your donation thank you letters really make an impact – and hopefully create more lifelong donors. Make it personal and genuine. Below, we share 15 true and tested ideas to express gratitude and build a meaningful relationship with your donors. Here are some examples of what to say in the letter: "Thank you for helping our family during this difficult time. Your donation is greatly appreciated. "Your generous donation has made it possible for us to provide essential services to those in need. We are deeply grateful for your support. Thank your donor again.