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MS Outlook 98 Email Attachment Security Update

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August 1999

Note: This download has been updated to address an issue that occurs when you install the patch for Outlook® 98 running on Windows NT operating system. If you are using Outlook 98 on a machine running Windows NT as your operating system you should use this new download.

All users should make sure that they know the purpose of attachments before opening them. Currently, users that have attachment security set to high within Microsoft Outlook's security settings will receive a warning before opening attachments.

Now available for download, the following patch will increase the security protection provided by Outlook 98 for certain types of email attachments. Once installed, this patch will change the attachment dialog box when certain attachments such as executables are opened, so that customers see more explicit warning language and will be required to save the attachment to the file system before opening it. This patch can help you avoid accidentally releasing viruses that hide in .exe files. It is important to note that saving the attachment to the file system does not automatically remove any virus that may be present. Before opening the attachment it is imperative you first scan it using an updated anti-virus software program.

Note This update is for Outlook 98 ONLY. Please do not install it on any other version of Outlook. Please see the Outlook 97 Email Attachment Security Update or the Outlook 2000 Email Attachment Security Update if you use those email clients.

This patch is for the Outlook 98 English language version. Versions of the patch for other languages will be available at a later time.

On This Page

Installation instructions:

Installation instructions:

Click here to copy O98attch.exe to your hard drive. Approximately 2549 KB

  1. Make certain you close Outlook before installing.

  2. Double-click the O98attch.exe program file on your hard disk to start the setup program.

  3. Follow the instructions on the screen to complete the installation.

Instructions for use:

Once you have gone through the installation process, simply use Outlook 98 as usual. This update does not require you to activate it.

Uninstallation instructions:

There is no Uninstall utility on this update. The files installed will become an integral part of your operating system, and cannot be removed without risking damage to your operating system.

For support of this download:

If you are experiencing problems with this download or the Office Update site, please review our Support Page at http://www.microsoft.com/downloads/details.aspx?FamilyID=8DEE9E59-23DC-46FC-8FC1-7B680B7E9D13&displaylang=EN for assistance.

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