I haven't used Windows 8, but Microsoft's documentation says that IFilter support was removed[1] in Windows 8, so search engine software, document clustering so

I haven't used Windows 8, but Microsoft's documentation says that IFilter support was removed[1] in Windows 8, so search engine software, document clustering software, etc. that relied on IFilter to extract text from various file formats is probably dead. 1 http://msdn.microsoft.com/en-us/library/ms691105(v=vs.85).aspx http://msdn.microsoft.com/en-us/library/ms691105(v=vs.85).as...