Found this on Joel Oleson’s Blog

Looking to index these file types on your SQL full text search, SharePoint, Desktops, or whoever else uses mssearch.exe? You can now index the following for free with this ifilter pack: .docx, .docm, .pptx, .pptm, .xlsx, .xlsm, .xlsb, .zip, .one, .vdx, .vsd, .vss, .vst, .vdx, .vsx, and .vtx

Office System 2007 Filter Pack download

Love to see the visio formats zip and various new formats.  I now I’ve seen people purchase the .zip formats so it’s cool to see that.  I’ve also heard of people installing Visio on the server :)   So this should be a welcome download.  I forget where I saw this recently, but know it’s been something many search people have been on the watch for.

Below are the steps to add these IFilters for Indexing with the appropriate specific Search product, please see the associated KB article below:

To add search capability for PDF files in WSS and MOSS please see this guide made by Sundar Narasiman:

http://msmvps.com/blogs/sundar_narasiman/archive/2008/02/06/configuring-moss-2007-to-search-pdf-documents-install-and-configure-pdf-ifilters.aspx

You vill need Adobe iFilter 6.0 located @ http://www.adobe.com/support/downloads/detail.jsp?ftpID=2611

Good Luck!