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===Windows 7 and Windows Server 2008 R2=== [[File:Windows Explorer Windows 7.png|thumb|Windows Explorer in [[Windows 7]], showing Libraries|alt=]] ====Libraries==== Windows Explorer in Windows 7 and Windows Server 2008 R2 supports libraries, [[virtual folder]]s described in a <code>.library-ms</code> file that aggregates content from various locations β including shared folders on networked systems if the shared folder has been indexed by the host system β and present them in a unified view. Searching in a library automatically federates the query to the remote systems, in addition to searching on the local system, so that files on the remote systems are also searched. Unlike search folders, Libraries are backed by a physical location which allows files to be saved in the libraries. Such files are transparently saved in the backing physical folder. The default save location for a library may be configured by the user, as can the default view layout for each library. Libraries are generally stored in the libraries special folder, which allows them to be displayed on the navigation pane. By default, a new user account in Windows 7 contains four libraries, for different file types: Documents, Music, Pictures, and Videos. They are configured to include the user's profile folders for these respective file types, as well as the computer's corresponding Public folders. In addition to aggregating multiple storage locations, Libraries enable Arrangement Views and Search Filter Suggestions. Arrangement Views allow users to pivot their views of the library's contents based on metadata. For example, selecting the "By Month" view in the Pictures library will display photos in stacks, where each stack represents a month of photos based on the date they were taken. In the Music library, the "By Artist" view will display stacks of albums from the artists in their collections, and browsing into an artist stack will then display the relevant albums. Search Filter Suggestions are a new feature of the Windows 7 and Windows Server 2008 R2 Explorer's search box. When the user clicks in the search box, a menu shows up below it showing recent searches as well as suggested [[Advanced Query Syntax]] filters that the user can type. When one is selected (or typed in manually), the menu will update to show the possible values to filter by for that property, and this list is based on the current location and other parts of the query already typed. For example, selecting the "tags" filter or typing "tags:" into the search box will display the list of possible tag values which will return search results. The [[metadata]] written within the file, implemented in Vista, is also utilized in Windows 7. This can sometimes lead to long wait times displaying the contents of a folder. For example, if a folder contains many large video files totaling hundreds of gigabytes, and the Window Explorer pane is in Details view mode showing a property contained within the metadata (for example Date, Length, Frame Height), Windows Explorer might have to search the contents of the whole file for the meta data. Some damaged files can cause a prolonged delay as well. This is due to metadata information being able to be placed anywhere within the file, beginning, middle, or end, necessitating a search of the whole file. Lengthy delays also occur when displaying the contents of a folder with many different types of program icons. The icon is contained in the metadata. Some programs cause the activation of a virus scan when retrieving the icon information from the metadata, hence producing a lengthy delay.<ref name="AddTagsProperties"/> Arrangement Views and Search Filter Suggestions are database-backed features that require that all locations in the Library be indexed by the Windows Search service. Local disk locations must be indexed by the local indexer, and Windows Explorer will automatically add locations to the indexing scope when they are included in a library. Remote locations can be indexed by the indexer on another Windows 7 and Windows Server 2008 R2 machine, on a Windows machine running [[Windows Search 4]] (such as Windows Vista or Windows Home Server), or on another device that implements the MS-WSP remote query protocol.<ref>{{Citation |url=http://msdn.microsoft.com/en-us/library/cc251767(PROT.10).aspx |title=MS-WSP: Windows Search Protocol |work=MSDN Library |publisher=Microsoft |date=December 18, 2006 |access-date=June 10, 2009 |archive-date=May 16, 2010 |archive-url=https://web.archive.org/web/20100516030347/http://msdn.microsoft.com/en-us/library/cc251767(PROT.10).aspx |url-status=live }}</ref> ====Federated search==== Windows Explorer also supports federating search to external data sources, such as custom databases or web services, that are exposed over the web and described via an [[OpenSearch (specification)|OpenSearch]] definition. The federated location description (called a Search Connector) is provided as a <code>.osdx</code> file. Once installed, the data source becomes queryable directly from Windows Explorer. Windows Explorer features, such as previews and thumbnails, work with the results of a federated search as well. ====Other changes==== * Windows 7 and Windows Server 2008 R2 support showing icons in the context menu and creating cascaded context menus with static verbs in submenus using the [[Windows Registry|Registry]] instead of a [[#Extensibility|shell extension]].<ref>{{cite web|url=http://msdn.microsoft.com/en-us/library/cc144171(VS.85).aspx|title=Creating Shortcut Menu Handlers (Windows)|website=msdn.microsoft.com|access-date=June 19, 2018|archive-date=November 22, 2010|archive-url=https://web.archive.org/web/20101122161558/http://msdn.microsoft.com/en-us/library/cc144171(VS.85).aspx|url-status=live}}</ref> * The search box in the Explorer window and the address bar can be resized. * Certain folders in the navigation pane can be hidden to reduce clutter. * Progress bars and overlay icons on an application's button on the taskbar. * Content view which shows thumbnails and metadata. * Buttons to toggle the preview pane and create a new folder. ====Removed or changed features==== {{See also|List of features removed in Windows 7#Windows Explorer}} In [[Windows 7]], several features have been removed from Windows Explorer, including the collapsible folder pane, overlay icon for shared items, remembering individual folder window sizes and positions, free disk space on the status bar, icons on the command bar, ability to disable Auto Arrange and Align to Grid, sortable column headings in other views except details view, ability to disable full row selection in details view, automatic horizontal scrolling and scrollbar in the navigation pane and maintaining selection when sorting from the Edit menu.
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