Microsoft OutlookMicrosoft Office Outlook
| Background Color - Calendar |
| Background Info |
| Backstage View |
| Bcc |
| Blocked Encoded List |
| Blocked Senders |
| Blocked Senders List |
| Blocking Domains |
| Blocking Groups |
| Blocking Mailing Lists |
| Blocking Senders |
| Blogs |
| Blue Category |
| Bookings |
| Business Cards |
| Business Contact Manager |
| Busy |