It's Office Library professional edition, including all features of EasyOfficeLib and CryptOfficeLib.
In addition to provide public libs like EasyOfficeLib, provide encrypted libs like CryptOfficeLib, WebOfficeLib also allows you to access, edit, and share your Word, Excel, PowerPoint documents online.Store and encrypt your Office documents in remote FTP server, and WebOfficeLib lets you view and edit them in your local Microsoft Office Application.

WebOfficeLib can be applied to many areas of business.

The libs can include all kinds of files, such as personal documents, company policies, electronic archives, contract texts, customer profiles, engineering documentations, training materials, employee information, financial data, and so on.
Features:

Automatically list all your office files in the FTP server.
Automatically download you office files from FTP server and open them in Microsoft Office Applications.
Automatically upload your office files to FTP server when you do save operation.
Automatically encrypt your office files to FTP server when you do save operation.
Enter password once, open many encrypted office files.
Automatically encrypt your office files.
Allow to change a public lib to an encrypted lib.
Allow to change an encrypted lib to a public lib.
Allow to change password of an encrypted lib.
Allow to deploy office files to encrypted exe files.
List all office files of the current lib in a task pane.
Allow to add, modify, and delete folders.
Allow to add, modify, and delete files.
Double click the file node to open the office file.
The lib task pane will always stay on the left.
Allow to switch to display another lib.
Allow to add, modify, and delete libs.