How To Start A Goodbye Letter. Best of luck for your next adventurous endeavors. It is usually best to use a simple salutation such as dear mr./mrs./ms.

For example, if you don’t want to include a phone number in your farewell letter, you don’t need to do so. Dear joan, as you know, today is my final day with paulus and associates. Writing a goodbye letter allows you to validate your relationship one last time.