Stands for "Blind Carbon Copy." Bcc is an email field that allows you to "blind" copy one or more recipients. It is similar to the Cc field, but email addresses listed in the Bcc field are hidden from all recipients.

When you Bcc someone, that person receives a single copy of the email. He or she will not receive any replies to the message. Therefore, blind carbon copying is a useful way to share an email with one or more users who don't need to follow the email thread.

It is good netiquette to use the Bcc field when sending an email to a large group of people. Hiding the recipient list protects users' privacy and prevents the email addresses from being shared unintentionally. However, if recipients should know who else received the message, it is best to use the Cc field.

To vs. Cc vs. Bcc

Generally, you should use the To field for the primary recipient(s) — the people to whom the message is addressed. Secondary recipients who should follow the email thread belong in the Cc field. If you want to send a copy of the email to others for reference, the Bcc field makes sense.

NOTE: Bcc'd recipients can still see the email addresses listed in the To and Cc fields.

Updated February 4, 2021 by Per C.

Definitions by TechTerms.com

The definition of Bcc on this page is an original TechTerms.com definition. If you would like to reference this page or cite this definition, you can use the green citation links above.

The goal of TechTerms.com is to explain computer terminology in a way that is easy to understand. We strive for simplicity and accuracy with every definition we publish. If you have feedback about the Bcc definition or would like to suggest a new technical term, please contact us.

Want to learn more tech terms? Subscribe to the daily or weekly newsletter and get featured terms and quizzes delivered to your inbox.

Sign up for the free TechTerms Newsletter

How often would you like to receive an email?

You can unsubscribe or change your frequency setting at any time using the links available in each email.

Questions? Please contact us.