Learn how to use an effective letter of appreciation to show your gratitude for job opportunities, job search referrals, and other kindnesses. "I'm infinitely grateful for the support you provided me when you helped me complete the project last week.Please accept my gratitude and appreciation. Thank you for your time. How does one write thank you letters? Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word). I want to express my deepest thanks to each and every one of you who has committed to healing yourself and who have helped others in our city heal. The message of appreciation should stand alone. Be brief, warm, and sincere.