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Crawl more file types by installing IFilters (Office SharePoint Server 2007)

Office 2007

Updated: September 11, 2008

Applies To: Office SharePoint Server 2007

Updated: 2008-09-11

Content is only crawled if the relevant file name extension is included in the file-type inclusions list and an IFilter is installed on the index server that supports those file types. Several file types are included automatically during initial installation. When you plan for content sources in your initial deployment, determine whether content you want to crawl uses file types that are not included. If file types are not included, you must add those file types on the Manage File Types page during deployment and ensure that an IFilter is installed and registered to support that file type.

Microsoft Office SharePoint Server 2007 provides several IFilters, and more are available from Microsoft and third-party vendors. If necessary, software developers can create IFilters for new file types. For more information about how to install and register additional IFilters that are available from Microsoft, see How to register Microsoft Filter Pack with SharePoint Server 2007 and with Search Server 2008 (http://go.microsoft.com/fwlink/?LinkId=110532).

On the other hand, if you want to exclude certain file types from being crawled, you can delete the file name extension for that file type from the file type inclusions list. Doing so excludes file names that have that extension from being crawled.

For information about the IFilters that are installed, by default, see File types and IFilter reference (Office SharePoint Server).

IFilters and Microsoft Office OneNote

An IFilter is not provided for the .one file name extension used by Microsoft Office OneNote. If you want users to be able to search content in Office OneNote files, you must install an IFilter for OneNote. To do this, you must do one of the following.

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