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If you add a recipient's name to the Bcc (blind carbon copy) box in an email message, a copy of the message is sent to that recipient, but that name is not visible to other recipients of the message.

Turn on Bcc

  1. Create a new email message.

  2. At the right end of the To line, select Bcc.

  3. In the Bcc box, add recipients, compose the message, and when you're ready, select Send.

View Bcc recipients

If you're the recipient of a message, you can't see whether the sender added Bcc recipients. Only the sender of a message can see the names of Bcc recipients by opening a message in the Sent Items folder where all sent messages are stored by default:

  1. In the Sent Items folder, open the message that you sent.

  2. In the Reading Pane, view the header section of the message.

    Seeing Bcc recepients in sent folder


    • If there are more recipients, you'll see the number of recipients and more. In the screenshot, for example, 11 more signals there are 11 more recipients listed in the Bcc box.

    • Click more to expand (open) your the message header section.

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