It's OfficeLibrary's starter edition.
EasyOfficeLib installs macros for the Windows versions of Microsoft Office applications so that you can create or open Office files quickly and easily.

It's host application can be Microsoft Word, Excel and PowerPoint.
EasyOfficeLib provides a new task pane for Microsoft Office.The task pane allows you to create new files or open files to edit.When you open this pane, it will always stay on the left of Office Application (Word, Excel or PowerPoint), until you click to close it.


EasyOfficeLib provides a convenient feature for Microsoft Office Applications.

If you double click a word document file in the lib task pane of Microsoft Excel Application, the document will be opened in Microsoft Word Application, and the lib task pane will be displayed on the left in Microsoft Word Application too.It does so in each of Microsoft Word, Excel and PowerPoint Applications.
Features

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.