1. Alert informing about new emails
2. Microsoft's email service
3. Marking an email for follow-up
4. Container for organizing emails
5. File sent along with an email
6. Tool that blocks unwanted emails
7. Folder for unfinished messages
8. Folder for deleted messages
9. Response to an email
10. Folder for unwanted messages
11. Folder for sent messages
12. Having no unread emails in the inbox
13. Internet company providing email services
14. Email that hasn't been opened
15. Email accessed through a web browser
16. Blind carbon copy recipients
17. To save an email for future reference
18. Creating a new email
19. Carbon copy recipients