Where XML is used in applications?

Related questions

1. What is indent XML?
2. What is DTD XML?
3. What is whitespace in XML?
4. Can white spaces can be preserved by XML?
5. What is XML schema used for?
6. What is the real use of XML?
7. What are XML files used for?
8. What are advantages of XML?
9. What is XML and use of XML?
10. Can XML tags have spaces?

Tags

1. #structure
2. #display
3. #handle
4. #standard
5. #exchanges
6. #files
7. #today
8. #transmit
9. #application
10. #various
11. #including
12. #widely
13. #formats
14. #programs
15. #devices
16. #example
17. #office
18. #microsoft
19. #found
20. #google
21. #store