CC works really well for the purpose of authentication. Subject is a short resume of your mail - don't write “Help me” or similar non-descriptive subject lines. in their inbox is a way to make it more visible than in their sent items folder. A blind carbon copy is a copy sent to an addressee that is not visible to the main and carbon copy addressees. They have their origins back in the Dark Ages, when secretaries wrote correspondence on manual typewriters, but they still have their uses even today. I would want to know that folks got the reschedule note and are good to go if I sent that email. You give BCC a bad rap, when used properly (to circulate information to a large group of people – such as a list that wants news of a band’s engagements, etc. Cc: stands for "carbon copy." Try making it unique, i.e., different from other subjects in your inbox/sent mail box. “How do I write an email subject” is much better. It was a very popular office supply decades ago, and can still be found in some places. When you put your pen's tip on the top sheet and press it to write something, it leaves a duplicate mark as it is on the second sheet. Use Cc: (Carbon Copy) - for recipients you are sending a copy to. In that case, I would reply with a “Thank you for the update — I’ve changed my calendar accordingly and look forward to…”. CC stands for “carbon copy.” If you’ve never seen carbon paper, it’s a type of waxy tissue paper that is used for duplicating typing or writing from one sheet to another. However, you can also send copies of an email to additional people by … (and you want everyone to explicitly see this) Bcc: (Blind Carbon Copy) - Put the email address here if you are sending your recipient(s) a Copy and you do not want the other recipients to see that you sent it to this contact. Some people use their email inbox (and sometimes other tools in their email client, such as Outlook's Todo list) to manage work tasks in a central location. CC is also used as an abbreviation of carbon copy. And, today, CC is … When you are Cc’d, respond only if you have commentary that you know is necessary to the ongoing conversation or topic. Use Cc: (Carbon Copy) - for recipients you are sending a copy to. All other recipients of that message can see that the person you designated as a Cc: recipient has received a copy of the message. CC'ing a boss in your email could ruin trust in the office. You did not point out the distinction of when to properly use BCC. It works by letting the recipient know who else will be receiving the letter. Note: To send a message, you must always specify at least one recipient in the "To:" field. In common usage, an email message has three fields for addressees: the To field is for principal recipients of the message, the CC field indicates secondary recipients whose names are visible to one another and to the principal, and the BCC (blind carbon copy) field contains the names of tertiary recipients whose names are invisible to each other and to the primary and secondary recipients. Many spambots look for large “to” or “cc” email lists. This can be useful if you want to convey the same exact message to more than one person. If you have a question about the email now is the time to ask. In a professional e-mail, CC is not to be included in the body of the letter. The To field means, “This email is specifically for you, and I’ll be talking to you in the body of the email.” The CC field means, “I want you to be aware of what I said in this email, and I am okay letting the person in the To field know about that fact.” CC and BCC are both ways of sending copies of an email to additional people. In email mailing lists the BCC field is traditionally used as a courtesy to people who are a part of the list. Even if everyone on the list was okay with everyone else on the list having access to their email address, having such a long list of emails poses a spam risk to everyone on it.