Sharing Data

Yes.  For details, please see the Google Drive page. Note:  We found that Google Drive waits quite a long time before it starts synchronizing whereas Dropbox is normally done within a minute or [...]

Yes.  For details, please see the Dropbox page.

Cashbook Complete can be installed on a network, and can be used by more than one person at a time.  By having it on a File Server, you could also take advantage of the servers regular backups.  [...]