ifilter

Audio Video IFilter is an indexing service filter for WMA, WMV and MP3 files.

It will tweak the Windows registry to configure an IFilter for MHTML files.

Index PDF documents with MS indexing clients.

allows 3rd-party application relying on IFilters to index the content of (.CAB).

allow 3rd-party application relying on IFilters to index content of Help files

allows 3rd-party application relying on IFilters to index the content of (.EXE).