The Add Datafile feature lets you add a datafile to the end of the current (open) datafile. This feature combines two datafiles.
This feature will come in useful for those who are working on a project with colleagues: you can easily combine datafiles created by individuals into a single master datafile. It is also useful when you are using a laptop or other computer (at the library for example), and need to create temporary files that can then be added to a master datafile on your desktop computer.
To add a datafile to an open datafile: