The directory is your personal electronic mailbox and get all mail received in electronic form. In the folder, you can send invoices, account statements, pay slips, notices and other communications with companies and organizations. The directory is actually your home online.
The directory is a very good tool to get things in order and get you to install their own data in addition to that received from companies. It is easy to continue to send invoices and other documents in the family or wherever needed.