Windows 7 includes a Libraries feature which allows multiple folders or drives to be grouped together for combined viewing and searching. With Libraries, users can separated different categories of files and folders including those out of user directory such as Desktop into few virtual library folders, or grouped files and folders in different physical locations such as different hard drives, external USB or FireWire mass storage device, or file server and NAS (Network Attached Storage) into a single virtual library folder.
In short, Libraries make file management easier. Windows users do not need to navigate and browse to many folders just to locate a file especially for people with huge amount of data files organized into many different folders. All files and sub-folders of all folders included in a Library will be displayed in single point of view and searchable from the Library, in single place.
However, a network location, accessible as a mapped folder or UNC path address of, for example, NAS, shared folders, drives connected from other computer, or other remote mass storage media, cannot be included into Library. When you browse to such network folders or mapped drives, there is no Include in Library in the Command Bar, which allows user to assign the particular folder to an existing or new Library.
In you create a new Library, thence click on Include a folder button to attempt to add a network folder or remote location to the Library, the following error will be displayed.
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