Outlook Classic
- From the Outlook Application, click the New Email   
- Click the Options tab  
- In the Show Fields section
- Click From  
- Click Bcc  
- You will see the options are now available to use  
Outlook New
- In the New Outlook App, click the Settings gear icon  
- Click Mail  
- Click Compose and reply  
- Click to check the box next to Always show Bcc and Always show From  
- Close out of the Settings window to return to your mail
Outlook Online
- From the inbox, click on the Gear  
- The settings window will appear
- Click Mail  
- Click Compose and Reply  
- Check the box Always show From and Always show Bcc, under the Message format section