A file name extension is displayed as .soi instead of .xsl in Microsoft Office Excel 2003 on a computer that has Internet Explorer 8 installed

Consider the following scenario:

• You have a computer that has Windows Internet Explorer 8 installed.
• You click a hyperlink to an .soi file that opens a Microsoft Office Excel 2003 worksheet (.xsl).
• In the File Download dialog box, you click the Open button to directly open the worksheet in Excel 2003.

In this scenario, the file name extension is displayed as .soi instead of .xsl on the title bar of the worksheet.

Note In the File Download dialog box, the file name extension is displayed correctly as .xls.

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

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, submit a request to 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.

Prerequisites

There are no prerequisites.

Registry information

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:

To use the hotfixes in this package, you must create a registry key. To do this, follow these steps:

1. Click Start , type Regedit in the search box, and then press ENTER.
2. Locate and then click the following registry subkey:
   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl
3. On the Edit menu, point to New, and then click Key.
4. Type FEATURE_IPERSISTMONIKER_LOAD_REDIRECTED_URL_KB976425, and then press ENTER.
5. Right-click FEATURE_IPERSISTMONIKER_LOAD_REDIRECTED_URL_KB976425, point to New, and then click DWORD Value.
6. Type Iexplore.exe, and then press ENTER.
7. Right-click Iexplore.exe, and then click Modify.
8. In the Value data box, type 1, and then click OK.
9. Exit Registry Editor.

Steps for the Wow6432Node registry key

To use the hotfixes in this package, you must create a registry key. To do this, follow these steps:

1. Click Start, type Regedit in the search box, and then press ENTER.
2. Locate and then click the following registry subkey:
   HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl
3. On the Edit menu, point to New, and then click Key.
4. Type FEATURE_IPERSISTMONIKER_LOAD_REDIRECTED_URL_KB976425, and then press ENTER.
5. Right-click FEATURE_IPERSISTMONIKER_LOAD_REDIRECTED_URL_KB976425, point to New, and then click DWORD Value.
6. Type Iexplore.exe, and then press ENTER.
7. Right-click Iexplore.exe, and then click Modify.
8. In the Value data box, type 1, and then click OK.
9. Exit Registry Editor.

Restart requirement

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows Vista and Windows Server 2008 file information notes

Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows Vista" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

• The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

  Version	Product	SR_Level	Service branch
  8.0.600 1 . 22xxx	Windows Vista and Windows Server 2008	SP1	LDR

• Service Pack 1 is integrated into the release version of Windows Server 2008. Therefore, RTM milestone files apply only to Windows Vista. RTM milestone files have a 6.0.0000.xxxxx version number.
• The MANIFEST files (.manifest) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 and for Windows Vista" section. MANIFEST files and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Internet Explorer 8 for Windows Server 2008 and for Windows Vista

For all supported x64-based versions of Internet Explorer 8 for Windows Server 2008 and for Windows Vista

Windows 7 and Windows Server 2008 R2 file information notes

Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

• The MANIFEST files (.manifest) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows 7" section. MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Internet Explorer 8 for Windows 7

For all supported x64-based versions of Internet Explorer 8 for Windows 7 and for Windows Server 2008 R2

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

After you install MS10-053 KB2183461 Internet Explorer Cumulative Security Update, FEATURE_IPERSISTMONIKER_LOAD_REDIRECTED_URL_KB976425 is enabled by default.

To disable FEATURE_IPERSISTMONIKER_LOAD_REDIRECTED_URL_KB976425 after you install MS10-053 KB2183461 Internet Explorer Cumulative Security, follow these steps.

Note MS10-053 KB2183461 Internet Explorer Cumulative Security Update supersedes the registry configuration that is outlined in the "Resolution" section.

1. Click Start, type Regedit in the search box, and then press Enter.
2. Locate and then click the following registry subkey:
   
   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl
3. On the Edit menu, point to New, and then click Key.
4. Type FEATURE_IPERSISTMONIKER_LOAD_REDIRECTED_URL_KB976425, and then press Enter.
5. Right-click FEATURE_IPERSISTMONIKER_LOAD_REDIRECTED_URL_KB976425, point to New, and then click DWORD Value.
6. Type Iexplore.exe, and then press Enter.
7. Right-click Iexplore.exe, and then click Modify.
8. In the Value data box, type 0, and then click OK.
9. Exit Registry Editor.
   
   Some applications may not function correctly with this feature enabled. In this case, the applications load, but specific data is not loaded as expected.

Steps for the Wow6432Node registry key

1. Click Start, type Regedit in the search�box, and then press Enter.
2. Locate and then click the following registry subkey:
   HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl
3. On the Edit menu, point to New, and then click Key.
4. Type FEATURE_IPERSISTMONIKER_LOAD_REDIRECTED_URL_KB976425, and then press Enter.
5. Right-click�FEATURE_IPERSISTMONIKER_LOAD_REDIRECTED_URL_KB976425, point to New, and then click DWORD Value.
6. Type Iexplore.exe, and then press Enter.
7. Right-click Iexplore.exe, and then click Modify.
8. In the�Value data box, type 0, and then click OK.
9. Exit Registry Editor.

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

Additional file information

Additional file information for Windows Vista and for Windows Server 2008

Additional files for all supported x86-based versions of Internet Explorer 8 for Windows Vista and for Windows Server 2008

Additional files for all supported x64-based versions of Internet Explorer 8 for Windows Vista and for Windows Server 2008

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Internet Explorer 8 for Windows 7

Additional files for all supported x64-based versions of Internet Explorer for Windows 7 and for Windows Server 2008 R2

Additional files for all supported IA-64-based versions of Windows Server 2008 R2