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File types and IFilters reference (SharePoint Server 2010)

 

Applies to: SharePoint Server 2010

Topic Last Modified: 2010-11-08

When crawling content, the crawler uses an IFilter to read individual file types. Some IFilters read only one file type, whereas others can read several file types. If you have to crawl a file type that is not supported by an IFilter that is provided with Microsoft SharePoint Server 2010, you must install and register the appropriate IFilter on the crawl server. The procedures used to install and register IFilters vary among different IFilters. If you want to use an IFilter that is not listed here, contact the manufacturer for instructions for installing third-party IFilters. If you add a file type without registering an IFilter, only the file properties are included in the index.

The following table lists the file types that appear by default on the Manage File Types page in Central Administration and describes whether their corresponding IFilters are registered by default. The table also lists file types that do not appear on the Manage File Types page by default but are supported by default IFilters. You can add these file types without having to register a new IFilter.

 

File name extension IFilter supported by default? File type included by default?

.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

.csv

Yes

Yes

.cxx

Yes

No

.def

Yes

No

.dic

Yes

No

.doc

Yes

Yes

.docm

Yes

Yes

.docx

Yes

Yes

.dot

Yes

Yes

.dotx

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

.odp

Yes

Yes

.ods

Yes

Yes

.odt

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

.vdw

Yes

Yes

.vdx

Yes

Yes

.vsd

Yes

Yes

.vss

Yes

Yes

.vst

Yes

Yes

.vsx

Yes

Yes

.vtx

Yes

Yes

.xlc

Yes

No

.xls

Yes

Yes

.xlsb

Yes

Yes

.xlsm

Yes

Yes

.xlsx

Yes

Yes

.xlt

Yes

No

.xml

Yes

Yes

.zip

Yes

Yes

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