Emails are a crucial part of modern communication, whether for school, work or even contacting a potential employer. Unlike casual messages to friends, crafting a professional letter requires a ...

"Many people have strong feelings about what you do to their names and how you address them," Barbara Pachter, a business-etiquette ... on a handful of common email greetings.

Figuring out how to start an email - especially when you're writing to someone you don't know very well - can be a real challenge. Is "Hey" too casual? Is "Dear" overly formal? Is "Morning!