When you write to people you do not know well outside your organization, it is good to address them by their first names to build a professional relationship.

Question

Quizplus · Accepted Answer

Using first names immediately can be seen as too informal or presumptuous in many professional contexts, especially if you do not know the person well. It is more appropriate to use titles and last names until a more familiar relationship is established or until they invite you to use their first name.

When You Write to People You Do Not Know Well