 thumb|puggle desktop search thumb|osl desktop search engines software aduna autofocus 5 desktop search tools search within a user's own computer files as opposed to searching the internet. these tools are designed to find information on the user's pc, including web browser history, e-mail archives, text documents, sound files, images, and video. one of the main advantages of desktop search programs is that search results arrive within a few seconds or less; microsoft windows search companion "can be some help, but it searches through windows files and folders only, not e-mail or contact databases, and unless you enable the indexing service (in windows 2000 or xp), the windows search tool is extremely slow.". ms windows vista enables the indexing service by default. a variety of desktop search programs are now available; see this list for examples. desktop search is emerging as a concern for large firms for two main reasons: untapped productivity and security. on the one hand, users needs to be able to quickly find relevant files, but on the other hand, they shouldn't have access to restricted files. according to analyst firm gartner up to 80% of some companies' data is locked up inside unstructured data â the information stored on an end user's pc, the directories (folders) and files they've created on a network, documents stored in repositories such as corporate intranets and a multitude of other locations.. moreover, many companies have structured or unstructured information stored in older file formats to which they don't have ready access. companies doing business in the united states are frequently required under regulatory mandates like sarbanes-oxley, hipaa and ferpa to make sure that access to sensitive information is 100% controlled. this creates a challenge for it organizations, which may not have a desktop search standard, or lack strict central control over end users downloading tools from the internet. some consumer-oriented desktop search tools make it possible to generate indexes outside the corporate firewall and share those indexes with unauthorized users. in some cases, end users are able to index â but not preview â items they should not even know exist.{{citation needed|date = november
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