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Windows Search
Windows Search (formerly MSN Desktop Search, Windows Desktop Search, and the Windows Search Engine) is a content index and desktop search platform by Microsoft introduced in Windows Vista as a replacement for the previous Indexing Service of Windows 2000, Windows XP, and Windows Server 2003, designed to facilitate local and remote queries for files and non-file items in the Windows Shell and in compatible applications. It was developed after the postponement of WinFS and introduced to Windows several benefits of that platform.
Windows Search creates a local Index of files — audio tracks, documents, folders, programs, photos, and videos — as well as of non-file items such as contacts and messages of Microsoft Outlook and their metadata for which users can perform incremental searches based on details such as contents, dates, names, types, and sizes; the Index consists of prose within files and items and metadata properties. Control Panel and Settings can also be searched.
Windows Search was introduced to enhance search result rapidity, simplify data discovery, and to unify desktop search platforms across Microsoft Windows; it was available as an optional download for Windows 2000 and Windows XP. It has received several updates since its introduction and it is also available in Windows 7, Windows 8, Windows RT, Windows 8.1, Windows 10, and Windows 11.
In January 2025, Microsoft released an enhanced version of Windows Search for their new NPU-based Copilot+ PC devices. This release of Windows Search additionally enables finding local documents, images and settings using user's own words and phrases, instead of just relying on exact keyword matches.
Windows Search is the successor of the Indexing Service, a content indexing solution originally developed as an optional download for Windows NT 4.0 and Internet Information Services 3.0, designed to gather resources located on Web servers; it is a remainder of the Object File System of the Cairo operating system project that never fully emerged. Development of Windows Search began in 2004 after the postponement of WinFS, the common data storage platform developed for Windows Vista, as an optional component of its MSN Toolbar Suite ("MSN Toolbar Suite with Desktop Search") for Windows XP and Windows 2000 released as preliminary software on December 13, 2004.
In prerelease builds of Windows Vista it was integrated with the Windows Shell, renamed as the Windows Search Engine, and introduced features that were originally touted as benefits of WinFS: content indexing, incremental searching, property stacking, and query persisting. Windows Search like WinFS enables queries across existing commonalities between items (such as finding all messages with attachments, or all messages with PowerPoint slides that mention only a particular subject) but unlike WinFS it does not provide a relational item database with schema-based enforcement, management, and storage; it provides a way to search for commonalities that already exist across disparate types.
Windows Search additionally deprecates the Indexing Service, as WinFS was originally meant to do. Microsoft ultimately removed the Indexing Service from Windows with the release of Windows 8 in 2012.
Windows Search builds a local Index of files and non-file items stored on a machine, which allows results to appear more rapidly when users perform searches than when searching for unindexed files or items. Microsoft suggests that a few hours may be necessary for the building process to complete, an assessment dependent on the number and size of files and non-file items to index. Windows Search enables incremental search (search as you type or wordwheeling) to present search results immediately when a character is typed in a search box, with subsequent entered characters further narrowing and refining results even before the full name, phrase, or word is entered. No information in the Index is sent to Microsoft.
Hub AI
Windows Search AI simulator
(@Windows Search_simulator)
Windows Search
Windows Search (formerly MSN Desktop Search, Windows Desktop Search, and the Windows Search Engine) is a content index and desktop search platform by Microsoft introduced in Windows Vista as a replacement for the previous Indexing Service of Windows 2000, Windows XP, and Windows Server 2003, designed to facilitate local and remote queries for files and non-file items in the Windows Shell and in compatible applications. It was developed after the postponement of WinFS and introduced to Windows several benefits of that platform.
Windows Search creates a local Index of files — audio tracks, documents, folders, programs, photos, and videos — as well as of non-file items such as contacts and messages of Microsoft Outlook and their metadata for which users can perform incremental searches based on details such as contents, dates, names, types, and sizes; the Index consists of prose within files and items and metadata properties. Control Panel and Settings can also be searched.
Windows Search was introduced to enhance search result rapidity, simplify data discovery, and to unify desktop search platforms across Microsoft Windows; it was available as an optional download for Windows 2000 and Windows XP. It has received several updates since its introduction and it is also available in Windows 7, Windows 8, Windows RT, Windows 8.1, Windows 10, and Windows 11.
In January 2025, Microsoft released an enhanced version of Windows Search for their new NPU-based Copilot+ PC devices. This release of Windows Search additionally enables finding local documents, images and settings using user's own words and phrases, instead of just relying on exact keyword matches.
Windows Search is the successor of the Indexing Service, a content indexing solution originally developed as an optional download for Windows NT 4.0 and Internet Information Services 3.0, designed to gather resources located on Web servers; it is a remainder of the Object File System of the Cairo operating system project that never fully emerged. Development of Windows Search began in 2004 after the postponement of WinFS, the common data storage platform developed for Windows Vista, as an optional component of its MSN Toolbar Suite ("MSN Toolbar Suite with Desktop Search") for Windows XP and Windows 2000 released as preliminary software on December 13, 2004.
In prerelease builds of Windows Vista it was integrated with the Windows Shell, renamed as the Windows Search Engine, and introduced features that were originally touted as benefits of WinFS: content indexing, incremental searching, property stacking, and query persisting. Windows Search like WinFS enables queries across existing commonalities between items (such as finding all messages with attachments, or all messages with PowerPoint slides that mention only a particular subject) but unlike WinFS it does not provide a relational item database with schema-based enforcement, management, and storage; it provides a way to search for commonalities that already exist across disparate types.
Windows Search additionally deprecates the Indexing Service, as WinFS was originally meant to do. Microsoft ultimately removed the Indexing Service from Windows with the release of Windows 8 in 2012.
Windows Search builds a local Index of files and non-file items stored on a machine, which allows results to appear more rapidly when users perform searches than when searching for unindexed files or items. Microsoft suggests that a few hours may be necessary for the building process to complete, an assessment dependent on the number and size of files and non-file items to index. Windows Search enables incremental search (search as you type or wordwheeling) to present search results immediately when a character is typed in a search box, with subsequent entered characters further narrowing and refining results even before the full name, phrase, or word is entered. No information in the Index is sent to Microsoft.