This document provides a sample format for a letter acknowledging an in-kind contribution or donation. In this post, I'm breaking down how to write a donation letter.1. Print the template on letterhead. In this article, we'll cover how to write a donation letter. Use one of our six sample donation request letter templates to get started. 1. Introduce your organization and its representative. We've compiled common types of donation requests, plus carefully crafted templates that your team can use to jumpstart your outreach. Looking for an easy way to create fundraising letters? This guide and free templates empower you to effectively communicate needs and inspire support! This article explains eight different types of donation letters and gives examples of how organizations have used them.