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. If file types that you want to crawl are not included, you must add those file types to the Manage File Types page during deployment.
For more information, see Limit or increase the quantity of content that is crawled (Office SharePoint Server 2007 for Search).
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.
When you add file types, you must also ensure that you have an IFilter that can be used to parse the file type when crawled. Microsoft Office SharePoint Server 2007 for Search provides several IFilters, and more are available from Microsoft and third-party vendors. If necessary, software developers can create IFilters for new file types.
The following table lists which file types are supported by the IFilters that are installed by default and which file types are enabled on the Manage File Types page by default.
|
File name extension
|
Default IFilter support
|
Default file type inclusions
|
| ascx | Yes | Yes |
| asm | Yes | No |
| asp | Yes | Yes |
| aspx | Yes | Yes |
| bat | Yes | No |
| c | Yes | No |
| cmd | Yes | No |
| cpp | Yes | No |
| css | Yes | No |
| cxx | Yes | No |
| def | Yes | No |
| dic | Yes | No |
| doc | Yes | Yes |
| docm | Yes | Yes |
| docx | Yes | Yes |
| dot | Yes | Yes |
| eml | Yes | Yes |
| exch | No | Yes |
| h | Yes | No |
| hhc | Yes | No |
| hht | Yes | No |
| hpp | Yes | No |
| hta | Yes | No |
| htm | Yes | Yes |
| html | Yes | Yes |
| htw | Yes | No |
| htx | Yes | No |
| jhtml | No | Yes |
| jsp | No | Yes |
| lnk | Yes | No |
| mht | Yes | Yes |
| mhtml | Yes | Yes |
| mpx | Yes | No |
| msg | Yes | Yes |
| mspx | No | Yes |
| nsf | No | Yes |
| odc | Yes | Yes |
| one | No | No |
| php | No | Yes |
| pot | Yes | No |
| pps | Yes | No |
| ppt | Yes | Yes |
| pptm | Yes | Yes |
| pptx | Yes | Yes |
| pub | No | Yes |
| stm | Yes | No |
| tif | Yes | Yes |
| tiff | No | Yes |
| trf | Yes | No |
| txt | Yes | Yes |
| url | No | Yes |
| vdx | No | Yes |
| vsd | No | Yes |
| vss | No | Yes |
| vst | No | Yes |
| vsx | No | Yes |
| vtx | No | Yes |
| xlb | Yes | No |
| xlc | Yes | No |
| xls | Yes | Yes |
| xlsm | Yes | Yes |
| xlsx | Yes | Yes |
| xlt | Yes | No |
| xml | Yes | Yes |
IFilters and Microsoft Office OneNote
An IFilter is not provided for the .one file name extension used by Microsoft Office OneNote 2007. If you want users to be able to search content in Office OneNote files, you must install the IFilter for OneNote. To do this, you must install the Microsoft Office OneNote client application on the index server.
.gif) Note |
|---|
| The Office OneNote 2007 IFilter can crawl both Office OneNote 2003 and Office OneNote 2007 files. The Office OneNote 2003 IFilter can crawl Office OneNote 2003 files only. |
For details about enabling and configuring the index server for Office OneNote files, see Install and register the OneNote IFilter (Office SharePoint Server 2007 for Search).
See Also