How To Write A Thank You Note For A Coworker . Here are 120 different coworker appreciation messages to help you write some for your own colleagues: This shows you're committed to strengthening your relationship and contributing to a positive work environment. Thank You Letter to Coworkers Examples from www.thebalance.com I appreciate all of your support and really treasure the good moments we have shared together in the workplace. “dear uncle joe, thank you so very much for your generous graduation gift. Dear james, thank you for all of your contributions to our new blog launch.