Table of Contents

Protect Against Viruses with the Outlook E-mail Security Update

Outlook 2000 Update: E-Mail Security

Outlook 98 Update: E-Mail Security

Outlook E-mail Security Update — Frequently Asked Questions

File Types Impacted by the Outlook 98/2000 E-mail Security Update

Add a File Type to the Outlook 98/2000 E-mail Security List

Functionality Impacted by Outlook 98/2000 E-mail Security Update

ISVs Affected by Outlook 98/2000 E-mail Security Update

Outlook E-mail Security Update — Information for Organizations and Developers

Changes to Outlook Automation in the Outlook E-mail Security Update

File Types Impacted by the Outlook 98/2000 E-mail Security Update

Since the following file types — listed by file extension — can execute malicious code, they are disabled in e-mail messages if the Outlook® 98/2000 E-mail Security Update is installed. As a protection from potential viruses, users are restricted from accessing these attachments from within Outlook. Users that would like to distribute the attachments on this list can post them to file shares, intranets, online hard drives, community Web sites such as MSN Online File Cabinets.

Note   For information about adding file types to the list below, read Add a File Type to the Outlook 98/2000 E-mail Security List.  

File Extension Description
ADE Microsoft Access Project Extension
ADP Microsoft Access Project
BAS Visual Basic® Class Module
BAT Batch File
CHM Compiled HTML Help File
CMD Windows NT® Command Script
COM MS-DOS® Application
CPL Control Panel Extension
CRT Security Certificate
EXE Application
HLP Windows® Help File
HTA HTML Applications
INF Setup Information File
INS Internet Communication Settings
ISP Internet Communication Settings
JS JScript® File
JSE JScript Encoded Script File
LNK Shortcut
MDB Microsoft Access Application
MDE Microsoft Access MDE Database
MSC Microsoft Common Console Document
MSI Windows Installer Package
MSP Windows Installer Patch
MST Visual Test Source File
PCD Photo CD Image
PIF Shortcut to MS-DOS Program
REG Registration Entries
SCR Screen Saver
SCT Windows Script Component
SHS Shell Scrap Object
URL Internet Shortcut (Uniform Resource Locator)
VB VBScript File
VBE VBScript Encoded Script File
VBS VBScript Script File
WSC Windows Script Component
WSF Windows Script File
WSH Windows Scripting Host Settings File

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