Write an excellent thank you letter for donations. Get tips and best practices, plus three inspiring samples and ready to use templates!We wanted to include some sample donation thank you letters and emails from imaginary nonprofits to give a guide as you're writing your own. Try our free donation request letter templates! Download our standard template or check out our example letters for events, auctions, schools, and more. Aim on getting your thank you letters in the mail within 1 to 2 days after the donation. Complete a Thank You Letter Template to express gratitude for a successful job interview, a significant donation, or financial assistance. There are important updates to the IDOC visitation requirements.