Write sincerely with an active voice. A letter of sincere gratitude to our donors may be the key to future gifts to the campus and, therefore, the continued support of exceptional students like you.Here are tips on how to write a letter of appreciation, examples to review, and a template to download to get your own letter or email started. Guidelines for writing appreciation letters: State what you appreciate and briefly explain why. Thank you again to donors to the Financial Aid Program. You literally saved my life! Your letter should clearly state the facts of your family's financial situation and your financial need. Before you write your thank you letter, review the following three questions that many donors ask; then consider the guiding questions to shape your response. The financial assistance you've provided has lightened my financial burden and will be of great help to me in paying my educational expenses. Did the support help you or your family deal with difficult financial burdens?