Open Software Solutions

This update provides the Junk E-mail Filter in Microsoft Office Outlook 2007 with a more current definition of which e-mail messages should be considered junk e-mail. This update was released in March 2009.

Update details

This update replaces the following previously released update:

Installation details

How to obtain and install the update

This update is available from the Microsoft Download Center. To download this update and to obtain installation instructions and deployment strategies, visit the following Microsoft Web site:

How to determine whether the update is installed

This update contains files that have the versions that are listed in the following table.

To determine the version of the files that are installed on the computer, follow these steps, as appropriate for the operating system that you are running.

Windows Vista

1. Click Start
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   , and then click Search.

2. Click Advanced Search.
3. In the Location box, click Local Hard Drives.
4. In the Name box, type Outlfltr.dat, and then click Search.
5. In the list of files, right-click Outlfltr.dat, and then click Properties.
6. On the General tab, examine the properties of the Outlfltr.dat file that is installed on the computer.

Windows XP

1. Start Search Companion. To do this, click Start, and then click Search.

   Note If Windows Desktop Search starts, click Click here to use Search Companion.

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 General tab and on the Version tab, examine the properties of the Outlfltr.dat file that is installed on the computer.

Information for administrators about .msp files

This update consists of a full-file Microsoft Windows Installer (.msp) file. The .msp file is packaged in a self-extracting, executable file. The following .msp file is distributed in this update:

Information for administrators about how to reinstall specific components

If you update your administrative installation point and if you then recache and reinstall Outlook 2007 on client computers, you can run a command-line command that includes the REINSTALL=[ list of features ] property. This property specifies whether you want to reinstall specific components of Outlook 2007 from the administrative image.

For this update, the value for REINSTALL=[ list of features ] is as follows:

Or, you can substitute the REINSTALL=ALL parameter to reinstall all Microsoft Office components on the client computer.

For information about how to distribute product updates for the 2007 Microsoft Office system, visit the following Microsoft Web site:

For more information about the policy for how e-mail is filtered by the junk e-mail filters in Outlook or in Exchange Server, click the following article number to view the article in the Microsoft Knowledge Base:

The Office System TechCenter contains the latest administrative updates and strategic deployment resources for all versions of Office. For more information about the Office System TechCenter, visit the following Microsoft Web site: