Notes & files

1. How do I attach a note to a case?
2. Can I enter information directly into a case or do I need to attach a note from somewhere else?
3. How much file space do we get?
4. How do I change the case or deal a note is associated with?
5. How do I add a file? How do I find my files later?
6. How do I know who can see a note or email?
7. Can we buy more storage space if we need it?
8. How do I edit a note or email I posted?
9. How do we know how much space we've used and have left?
10. How do I change who can see a note or email?
11. How can I delete files from my notes?