Attachment File Types Blocked By MS Office XP Outlook

There are two levels of attachment security. Access to level 1 files is blocked and can't be changed. When you receive an attachment with a level 2 file type, you will be prompted to save the file to your hard disk. If you use Microsoft Exchange Server, your administrator can add and remove file types for both levels of e-mail security. If a file type is added to both levels, it will be treated as a level 1 file type.

Level 1:

File extension	File type
.ade	Microsoft Access project extension
.adp	Microsoft Access project
.bas	Microsoft Visual Basic class module
.bat	Batch file
.chm	Compiled HTML Help file
.cmd	Microsoft Windows NT Command Script
.com	Microsoft MS-DOS program
.cpl	Control Panel extension
.crt	Security certificate
.exe	Program
.hlp	Help file
.hta	HTML program
.inf	Setup Information
.ins	Internet Naming Service
.isp	Internet Communication settings
.js	JScript file
.jse	Jscript Encoded Script file
.lnk	Shortcut
.mda	Microsoft Access add-in program
.mdb	Microsoft Access program
.mde	Microsoft Access MDE database
.mdz	Microsoft Access wizard program
.msc	Microsoft Common Console Document
.msi	Microsoft Windows Installer package
.msp	Windows Installer patch
.mst	Visual Test source files
.pcd	Photo CD image or Microsoft Visual Test compiled script
.pif	Shortcut to MS-DOS program
.reg	Registration entries
.scr	Screen saver
.sct	Windows Script Component
.shs	Shell Scrap Object
.url	Internet shortcut
.vb	VBScript file
.vbe	VBScript Encoded Script file
.vbs	VBScript file
.wsc	Windows Script Component
.wsf	Windows Script file
.wsh	Windows Script Host Settings file

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