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=== How to reveal the Bcc box in Gmail ===If you're sending a message to several people and want to hide each recipient's email address, you can use the blind carbon copy feature. When you're composing a message, just click Bcc in the top right corner of your compose window and enter the email addresses that you don't want recipients to see.More information on Google.com - [https://support.google.com/mail/answer/57143?hl=en Hide addresses when sending mail (Bcc)]