Internet Explorer 6 includes an "unsafe" file list that is coded in the Shdocvw.dll file. The purpose of the unsafe file list is to prevent you from accidentally opening a file type that could potentially cause problems on your computer.

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The Internet Explorer 6 unsafe file list has been updated to be consistent with the Microsoft Office unsafe file list. The following file types have been added to the unsafe file list:

file extension	file type
.ad	Microsoft Access project extension
.adp	Access project
.crt	Security certificate
.ins	Internet Naming service
.mdb	Access program
.mde	Access MDE database
.msc	Microsoft Common Console document
.msp	Microsoft Windows Installer patch
.sct	Windows script component
.shb	Shell scrap object
.vb	VBScript file
.wsc	Windows script component
.wsf	Windows script file
.cpl	Control Panel extension
.shs	Shell scrap object
.vsd	Microsoft Visio file type
.vst	Visio file type
.vss	Visio file type
.vsw	Visio file type

The complete unsafe file list in Internet Explorer includes the file types that are listed in the previous table, plus the following file types:

•	.asp
•	.bas
•	.bat
•	.chm
•	.cmd
•	.com
•	.exe
•	.hlp
•	.hta
•	.inf
•	.isp
•	.js
•	.jse
•	.lnk
•	.msi
•	.mst
•	.pcd
•	.pif
•	.reg
•	.scr
•	.url
•	.vbe
•	.vbs
•	.ws
•	.wsh

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Modifying the Unsafe File List

For additional information on modifying the unsafe file list, click the article number below to view the article in the Microsoft Knowledge Base:

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