ANSWERS

1. Office 97

2. Hotmail

3. It was US Independence Day, symbolising "freedom" from internet service providers' email accounts

4. B HTML

5. A 2012

6. .pst (Personal Storage Table)

7. Outlook Express

8. Entourage

9. Microsoft Exchange (Exchange Server or Exchange Online)

10. Automatic Replies

11. Focused Inbox

12. Recall This Message

13. A Albuquerque

14. C Redmond

15. Clippit

16. C Start Me Up

17. LinkedIn

18. Skype

19. B Satya Nadella

20. Activision Blizzard