Turn it on and off. The most vexing aspect of using BCC in modern versions of Outlook is that it’s not even visible by default, and figuring out how to get to it is challenging. To see the BCC line in a new email, open a blank new message and click the Options tab in the ribbon. Then click BCC. The BCC field is now on for all new messages until you turn it off again in the same way.
Figure out who you BCC’d. As you know, recipients can’t tell who you included in the BCC field, or even if you used the BCC field at all. But that doesn’t mean you can’t. To see who you BCC’d in a previous email, just open the Sent mail folder and open the message. You’ll see the BCC field preserved for future reference.
Never violate the trust. Being included in the BCC field of an email is a sacred trust. If you’re a manager, for example, and one of your employees BCC’s you on an email about an overdue project, the last thing you should do is click Reply All and jump into the conversation, admonishing the recipient for being late. If you do that, the jig is up, and everyone knows that the sender was secretly informing you about the email thread. This can have a seriously draining effect on productivity and morale. Bottom line: Never, ever reply-all to a message for which you’re in the BCC line.
