blind carbon copy

The term "blind carbon copy" originates from traditional carbon copying but is now used in email to maintain recipient confidentiality.

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Definition

(technical)A feature that sends a copy of an email to additional recipients without revealing their addresses to others.

I used blind carbon copy to include my manager in the email without the team knowing.
To keep the email addresses private, use the blind carbon copy field.

Terms that have similar or relatively close meanings to "blind carbon copy":