Bing (search engine) integration with Microsoft Bing search engine. In addition to the traditional web search functions, Bing Bar also allows search on other Bing services such as Images, Video, News and Maps. When users perform a search on another search engine, the Bing Bar's search box will automatically populate itself, allowing the user to view the results from Bing, should it be desired. Bing Bar also links to Outlook.com, Skype and Facebook. Microsoft released a beta version of Bing Desktop, a program developed to allow users to search Bing from the desktop, on April 4, 2012. The initial release followed shortly on
Microsoft Search Server to extract the text of the file for full text indexing as well. The handlers and iFilters MSS uses are the same as used by SharePoint, Microsoft SQL Server and Windows Search as well. The data sources that are to be indexed are identified by their URIs and have to be configured prior to indexing. The indexer updates the search index as soon as an item is indexed ("continuous propagation") so that the items can be queried against even before the indexing crawl is complete. MSS can also federate searches to other search services (including SharePoint and web search servers)