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Security Tip (ST04-008)

Benefits of BCC

Original release date: May 5, 2004 | Last revised: August 12, 2009

Although in many situations it may be appropriate to list email recipients in the To: or CC: fields, sometimes using the BCC: field may be the most desirable option.

What is BCC?

BCC, which stands for blind carbon copy, allows you to hide recipients in email messages. Addresses in the To: field and the CC: (carbon copy) field appear in messages, but users cannot see addresses of anyone you included in the BCC: field.

Why would you want to use BCC?

There are a few main reasons for using BCC:

How do you BCC an email message?

Most email clients have the option to BCC listed a few lines below the To: field. However, sometimes it is a separate option that is not listed by default. If you cannot locate it, check the help menu or the software's documentation.

If you want to BCC all recipients and your email client will not send a message without something in the To: field, consider using your own email address in that field. In addition to hiding the identity of other recipients, this option will enable you to confirm that the message was sent successfully.

Authors: Mindi McDowell, Allen Householder

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