Index files in Internet Explorer
Internet history is more than just a list of visited web sites. Computer stores multiple records of your Internet history that can't be easily deleted. Index.dat files are used by Internet Explorer to record information about web sites you have been visited and details of cookies being stored on your computer. Whenever you visit different web sites, information about web site address, time of visit, images, scripts, tracking cookies and web page contents are saved to your hard drive.
This speeds up access to the site if you visit it again as Internet can open them from your hard disk instead of downloading them from the web.
There are three index.dat files used by Internet Explorer - history index.dat file, cookies index.dat file, cache index.dat file. Index.dat files are used by Internet Explorer to store Internet history, cache, cookies and other information about your Internet activity.
Although index files are useful, they can compromise your privacy as any person who has some knowledge about index.dat files and has access to your computer can see the history of your Internet activities. Index.dat files are system files and they can't be deleted manually as they are used by Windows all the time (index.dat files are locked by Windows). Their content is not deleted even if you clean browser history, cache and cookies.
Using Clear All History you can easily clean and delete index.dat files
Do you want your boss, spouse or colleagues see what you have been doing on your PC?
Try special clean history solutions to protect your privacy!
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