Description of the Outlook 2003 Junk E-mail Filter update: October 2005

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Article ID: 906173 - View products that this article applies to.
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Microsoft has released the update for the Microsoft Office Outlook 2003 Junk E-mail Filter (KB906173). This article contains information about the update.


This update provides the Junk E-mail Filter in Microsoft Office Outlook 2003 with a more current definition of those e-mail messages which should be considered junk e-mail. This update was released in October 2005.

More information

Update details

Earlier released updates that are replaced by this update

Update 906173 for the Outlook 2003 Junk E-mail Filter replaces the following previously released update:
904631 Description of the Outlook 2003 Junk E-Mail Filter update: September 2005

Installation details

How to obtain and install this update

The update is located at the Microsoft Download Center. To download this update from the Microsoft Download Center, visit the following Microsoft Web site:

How to determine whether the update is installed

Note Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If they are, see your product documentation to complete these steps.
  1. Click Start, and then click Search.
  2. In the Search Results window, click All files and folders in the Search Companion pane.
  3. In the All or part of the file name box, type outlfltr.dat, and then click Search.
  4. In the list of files, right-click Outlfltr.dat, and then click Properties.
  5. On the Version tab, determine the version of the Outlfltr.dat file that is installed on the computer.
This update contains the files and the file versions that are listed in the following table.
   Date          Time    Version      Size        File name
   30-Aug-2005   20:33   1.4.2916.0   3,368,176   Outlfltr.dat
   24-Jun-2005   18:32   1.4.2607.0     307,424   Outlfltr.dll

You do not have to install this update if you have a later version of the Outlfltr.dat file that is listed in the table.

Note It has been reported that the 1.4.2607.0 version of the Outlfltr.dll file that is included with this update resolves a memory leak in the Outlfltr.dll 1.2.32 file. This behavior may impact any MAPI program that uses IMessage::SaveChange in Outlook 2003. For example, this behavior may impact archiving solutions. If you have problems running a MAPI program with Outlook 2003, please contact the manufacturer of the software package for support. In some instances, they may recommend that you install this update to resolve the problem.

Information for administrators about .msp files

The administrative update consists of a full-file Microsoft Windows Installer file (.msp file). The .msp file 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 REINSTALL=[list of features] property. This property specifies whether you want to reinstall specific components of Outlook 2003 from the administrative image. For this update, the value for REINSTALL=[list of features] is as follows:
Alternatively, you can substitute the parameter REINSTALL=ALL to reinstall all Microsoft Office components on the client computer.

For detailed procedures that explain how to update an administrative image and how to update client computers, see the "Updating clients from a patched administrative image" section in the "Strategies for Updating Office 2003 Installations" topic. To view the "Strategies for Updating Office 2003 Installations" 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:


Article ID: 906173 - Last Review: January 16, 2015 - Revision: 4.0
Applies to
  • Microsoft Office Outlook 2003
kbnosurvey kbarchive KB906173

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