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Microsoft has released the Microsoft Outlook 2003 Junk E-Mail Filter update (KB921580). This article contains information about the update.
This update provides the Junk E-mail Filter in Microsoft Office Outlook 2003 with a current definition of the e-mail messages that should be considered junk e-mail. This update was released in September 2006.
Earlier released updates that are replaced by this update
This update for the Outlook 2003 Junk E-Mail Filter replaces the following previously released update:
920907 Description of the Outlook 2003 Junk E-Mail Filter update: August 2006
How to obtain and to install the update
This update for the Outlook 2003 Junk E-Mail Filter is located at the Microsoft Download Center. To download this update, visit the following Microsoft Web site:
The Outlook 2003 Junk E-Mail Filter update (KB921580) contains files that have the versions that are listed in the following table.
You do not have to install this update if you have a later version of the files that are listed in the table.
To determine the version of the files that are installed on the computer, follow these steps:
Click Start, and then click Search.
In the Search Results window, click All files and folders in the Search Companion pane.
In the All or part of the file name box, type Outlfltr.dat, and then click Search.
In the list of files, right-click Outlfltr.dat, and then click Properties.
On the Version tab, determine the version of the Outlfltr.dat file that is installed on the computer.
Information for administrators about .msp files
The Outlook 2003 Junk E-Mail Filter update (KB921580) consists of a full-file Microsoft Windows Installer file (.msp file) that is packaged in a self-extracting executable file. The following .msp file is distributed in this update:
Features for reinstalling specific components for administrators
If you update your administrative installation point and then recache and reinstall Outlook 2003 on client computers, you can run a command line that includes the following parameter:
REINSTALL=[list of features]
You can use this parameter to indicate that you want to reinstall specific components of Outlook 2003 from the administrative image. For the Outlook 2003 Junk E-Mail Filter update (KB921580), the value for list of features is as follows:
Alternatively, you can use the REINSTALL=ALL parameter to reinstall all the Microsoft Office components on the client computer.
For detailed procedures that explain how to update an administrative image and to update client computers, see the "Updating clients from a patched administrative image" section in the "Distributing Office 2003 Product Updates" topic. To view the "Distributing Office 2003 Product Updates" topic, visit the following Microsoft Web site:
The Office Admin Update Center for Office IT Professionals contains the latest administrative updates and strategic deployment resources for all versions of Office. For more information about the Office Admin Update Center, visit the following Microsoft Web site: