For your donation letter, your story should follow this format: The Need: Explain the need your nonprofit addresses. Learn how to write effective fundraising letters that inspire more support from donors.Explore best practices and templates in this comprehensive guide. Donation forms are proven ways to fundraise for your nonprofit. 2. Donation Letter Template: Donation Request. Looking for an easy way to create fundraising letters? This guide and free templates empower you to effectively communicate needs and inspire support!