Which of the following is an example of a formal email opening?

The choice that illustrates a formal email opening is characterized by a respectful tone and structured greeting. In the selected answer, using "Dear [Name]," demonstrates a courteous approach that's typically found in formal correspondence. This structure acknowledges the recipient's identity and conveys professionalism. Additionally, the phrase "I hope this message finds you well" adds a touch of warmth while maintaining formality, which is suitable for professional communications.

This method of opening an email is appropriate for business settings, formal requests, or any situation where a respectful distance is preferred. It establishes a polite foundation for the subsequent content of the email, making it clear that the sender values the recipient's time and presence.

In contrast, the other examples lack the elements that signify formal communication. Greeting someone with "Hi there," or "Hey, how's it going?" conveys a casual tone more appropriate for informal conversations among friends or acquaintances. Meanwhile, "To whom it may concern," can be seen as overly generic and is often used when the specific recipient is unknown, which can lessen the personalization of the communication.