Description of the Outlook 2007 hotfix package (Mso.msp,Outlook.msp): December 16, 2008


This article describes the Microsoft Office Outlook 2007 issues that are fixed in the Outlook 2007 hotfix package that is dated December 16, 2008.
This article describes the following items about the hotfix package:
  • The issues that the hotfix package fixes.
  • The prerequisites for installing the hotfix package.
  • Whether you must restart the computer after you install the hotfix package.
  • Whether the hotfix package is replaced by any other hotfix packages.
  • Whether you must make any registry changes.
  • The files that the hotfix package contains.


This hotfix fixes the following issues that were not previously documented in a Microsoft Knowledge Base article:
  • A "Cannot open this item" error message occurs when you try to open a message from the search results in a shared mailbox.
  • When you send a multipart MIME message by using the Japanese version of Outlook 2007, the message includes an 8-bit Shift JIS (SJIS) character without any encoding.
  • If you read an e-mail message in Outlook Web Access without sending a read receipt, and then later you delete the message in Outlook cached mode, a non-read notification is sent to the sender of the message.
  • You receive a "One or more rules cannot be saved because of invalid actions or conditions" error message when you try to save the rules collection by using the Outlook object model.
  • When you move exceptions to a recurring meeting, the exceptions may be reported as deleted if you access these exceptions by using the Outlook object model.
  • After you upgrade Outlook 2003 to Outlook 2007, you receive a "Cannot delete this folder" or "The Operation Cannot be performed because the object has been deleted" error message when you try to delete SharePoint folders or a single item in a SharePoint folder.
  • You receive a "You cannot make changes to contents of this read-only folder" error message when you try to use Outlook to add items to a Windows SharePoint Services (WSS) discussion list.
  • The BeforeItemPaste event in the Outlook 2007 object model does not work when the Search box is used to filter or restrict items in a folder that is not enabled for instant search.
  • When you use "m" as a unit in the Duration field in the Japanese version of Outlook 2007, it is recognized as "hours" instead of "minutes."
  • When the sender of an e-mail message has Send As permissions to another mailbox, the From field of the printed e-mail message incorrectly contains "on behalf of" text.
  • The information bar of a meeting invitation displays a "Please respond" message that conflicts with the "No Response Required" message that is displayed in the same Information Bar of Outlook 2007.
  • The same profile is listed two times in the Choose Profile dialog box of Outlook 2007 when you create a new profile that contains some extended characters in the name. This issue occurs if the Outlook Mobile Service Add-in is enabled.
  • Outlook 2007 may crash if an application on the Microsoft Exchange server responds to port 80 requests for availability information from Outlook.
  • This hotfix fixes the following issue:
    959629 If you send an e-mail message that contains a shared attachment in Outlook 2007, the attachment is also sent to the recipients

  • This hotfix fixes the following issue:
    959878 The "Recover Deleted Items" option in Outlook 2007 is still available after you set the DumpsterAlwaysOn registry entry to 0

  • This hotfix fixes the following issue:
    959625 On a client computer that is running Office Communicator 2007, you may be unable to make a TAPI call from Office Outlook 2007

More Information

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problems that are described in this article. Apply this hotfix only to systems that are experiencing the problems described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.


There are no prerequisites for installing this hotfix.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

Registry information

To use one of the hotfixes in this package, you do not have to make any changes to the registry.

File information

This hotfix may not contain all the files that you must have to fully update a product to the latest build. This hotfix contains only the files that you must have to correct the issue that is listed in this article.

The Global version of this hotfix package uses a Microsoft Windows Installer package to install the hotfix package. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Download information

File nameFile versionFile sizeDateTimePlatform

Microsoft Windows Installer .msp file information

File nameFile versionFile sizeDateTimePlatform
Mso.mspNot Applicable22,460,41604-Dec-200819:32Not Applicable
Outlook.mspNot Applicable14,339,07204-Dec-200819:32Not Applicable

Mso.msp information
File nameFile versionFile sizeDateTimePlatform
Outlook.msp information
File nameFile versionFile sizeDateTimePlatform


For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates