Dropbox Is A Place Where You Can Save All Your Files Like Video, Audio, Document, Excel, Software, Etc. With The Help Of This Software We Can Upload Big Files Or Any Of The Small Files. We Can Use It Officialy Or For Personal Use.
We Can Also Use Dropbox Offline For Any Emergency.In Dropbox data syncronization is their in all devices.best this is we can send large file in single link any were like whatsapp, facebook etc and it is not necessary you have a dropbox to download file given by your friend. So I Think Dropbox Is The Best Software For Cloud Storage.