I would like to express my sincere and heartfelt thanks for the wonderful and professional treatment received therein. Learn how to write an employee appreciation letter with these templates and examples.Download the template for free (PDF or Word). I give my most heartfelt thanks to our colleagues who give up special moments with family and friends during the holidays to care for others. Thank you for encouraging me and making me feel like I was a superstar. An employee appreciation or thank you letter is a formal message from an employer that recognizes the former's contribution to the company they work for. Check out our employee recognition letter template to help you express your appreciation for employees at your company. Thank you for being on the front lines of care and going above and beyond every day to provide compassionate, thoughtful patient care. I wanted to thank you for all of your hard work and dedication to your job, and specifically for the excellent care you provided for. San Antonio, TX 78238-5166.