Emails must be professional. There cannot be a workplace email typed as an abbreviated text would be typed. The text and content of the email must be professional sentences, grammatically correct, without spelling errors and with correct reading. The email should start with "Dear" and then the name of the person it is addressed to. The end of the email should be addressed with a "Thank you" or "Kind regards" followed by the name of the person sending the email. Handwritten letters in today's society tend to no longer be as common as they were decades ago, but they are still seen as a high level of respect. Sending someone at work a thank you letter for something they did is recommended