*Make sure you email your professor and not reach out over a phone call or a message.
*Keep the subject line concise: "Assignment 101 - Extension" instead of "Want an *extension on a paper of psychology" or something on these lines.
*Give the context of the email in the first paragraph itself.
*Jump right in with your ask or questions.
*Leave room for follow up.
Do wear clothes depending on the kind of meeting you’ll be attending. Usually, a button-down or a shirt works for office meetings and a polo/general T-shirt for meetings with the professors. This also depends on the kind of relationship you have with them.
Don’t keep your camera switched off. The conversation flow is much better and one gets to know whether the other person is receiving the information correctly or not when the camera is on. You also understand their reactions.