To view a library file shown in a Files tab, click on the file and then select the menu command Tools | View File...
You can also select View File... from the selected file's context menu.
If your computer doesn't have an application that is registered to recognize the file, it cannot be opened for viewing.
The file is copied to a temporary folder your local drive, and Windows will launch the application associated with the file type.
1064-20100516.1311