Blind carbon backup (abbreviated Bcc:) allows the sender of a note to conceal the individual got into in the Bcc: field from the other recipients. This idea actually put on paper correspondence and today also pertains to email.
In a few circumstances, the typist developing a paper correspondence must be sure that multiple recipients of such a report do not start to see the labels of other recipients. To do this, the typist can:
Add the brands in another step to each backup, without carbon newspaper;
Placed the ribbon never to strike the newspaper, which leaves brands off the very best backup (but may leave letter impressions on the newspaper).
With email, recipients of a note are given using addresses in virtually any of the three domains:
To: Principal recipients
Cc: Carbon replicate to extra recipients–other interested parties
Bcc: Blind carbon duplicate to tertiary recipients who have the message. The principal and extra recipients cannot start to see the tertiary recipients. Based on email software, the tertiary recipients may only see their own email in Bcc, or they could start to see the email addresses of most primary and supplementary recipients.
It’s quite common practice to work with the Bcc: field when dealing with an extremely long set of recipients, or a set of recipients which should not (automatically) know one another, e.g. in e-mail lists.
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