This symbol represents the coalescing of ideas or the various thoughts that are pertinent to one particular organized principle of different thoughts.
A file in a dream indicates that previous efforts around a particular idea have been collected and are being stored for future use.
The other elements of the dream will help you understand what area of your life is being focused on in this concentrated way.
[1]To dream of dealing in files prognosticates activity. To purchase files, shows you will have many applications to attend to business; to sell files, shows you will have others to work for you, yielding profitablv.
[2]