Try our free donation request letter templates! Download our standard template or check out our example letters for events, auctions, schools, and more.In this post, I'm breaking down how to write a donation letter. 1. Print the template on letterhead. Looking for donation forms for your charity? Grab attention with our customizable donation forms that can easily be shared online. Form Preview Example. Form Preview Example. Enter your Letter ID and either your Individual IL Pin or your most recent. Use this form whenever you need to provide a formal acknowledgment of an in-kind contribution.