Give Expressions to dynamically determine where files are to be stored.
Give Expressions to dynamically determine what name files are to be stored under.
If selected then if a document is being created with a name alreadyin use, then before overwriting it is asked if that is OK.
If selected then if a document is being created with a name alreadyin use, that file is overwritten by the new one without asking
If selected overwriting files is not allowed.