To find the BCC address for your Project, you need to first change your Search to Projects.
The search grid will show all Projects you’re currently logged into. You then need to open the Project record in your workspace. You then notice a small icon next to the Project name, which you can click on to Copy the BCC address.
Hint: Save frequently used Project emails in your email address book for quick access
Want to learn more about how Email BCC works? Have a look at this article here.