Blind carbon copy (Bcc) is a feature in Microsoft Outlook that allows you to send an email to multiple recipients while keeping their email addresses hidden from other recipients. This can be useful for sending emails to a large group of people without revealing their personal information, or for sending emails to people who do not know each other.
To Bcc someone in Outlook, simply type their email address in the “Bcc” field when composing a new email. You can add multiple email addresses to the Bcc field, and the recipients will not be able to see each other’s email addresses.