Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).In this article, we explain what an appreciation letter is and how to write one with tips, examples and seven easy steps to write your own. Discover 40 heartfelt thank you note examples for friends, family, and co-workers. Express gratitude with personalized greeting cards. The message of appreciation should stand alone. Be brief, warm, and sincere. The following sample thank-you notes illustrate the kinds of things donors would love to hear about you and the impact their generosity has had on your life. Learn how to use an effective letter of appreciation to show your gratitude for job opportunities, job search referrals, and other kindnesses. Learn how to use an effective letter of appreciation to show your gratitude for job opportunities, job search referrals, and other kindnesses.