Some Dropbox Alternatives.
No question Dropbox is popular. Bit there are others. Amazon, Apple, Google and Microsoft all have free on-line file sharing boxes.
I found a recent article about 8 alternatives. Maybve this would vbe of interst to you if you are not happy with what you have.
http://codecall.net/2014/04/02/best-free-dropbox-alternatives/Tools: 8 Awesome Dropbox Alternatives
This is a commendation to consider the above review before you commit yourself to just one box. I have three