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Files that have the .eml file name extension do not open in Outlook 2007

Symptoms
When you try to open a file that has the .eml file name extension, the file does not open in Microsoft Office Outlook 2007. However, this file opens in Outlook Express, in Windows Mail, and in Internet Explorer.
Resolution

How to obtain the hotfix

This issue is fixed in the Outlook 2007 post-Service Pack 1 hotfix package that is dated September 24, 2008. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
957909 Description of the Outlook 2007 post-Service Pack 1 hotfix package: September 24, 2008

How to enable the hotfix

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:
322756 How to back up and restore the registry in Windows


To have us activate this hotfix for you, go to the "Fix it for me" section. If you prefer to activate this hotfix yourself, go to the "Let me fix it myself" section.

Fix it for me



To fix this problem automatically, click the Fix it button or link. Then click Run in the File Download dialog box, and follow the steps in the Fix it wizard.


Notes
  • This wizard may be in English only. However, the automatic fix also works for other language versions of Windows.
  • If you are not on the computer that has the problem, save the Fix it solution to a flash drive or a CD and then run it on the computer that has the problem.

Then, go to the "Did this fix the problem?" section.



Let me fix it myself

To activate this hotfix, follow these steps:
  1. Close Outlook 2007.
  2. Start Registry Editor
    • In Windows Vista, click StartStart button, type regedit in the Start Search box, and then press ENTER.

      User Account Control permission If you are prompted for an administrator password or confirmation, type your password, or click Continue.
    • In Windows XP, click Start, click Run, type regedit in the Open box, and then click OK.
  3. Locate and then click to select the following registry subkey:
    HKEY_CLASSES_ROOT\Microsoft Internet Mail Message\shell\open\command
  4. Right-click (Default), and then click Modify.
  5. Type "%ProgramFiles%\Microsoft Office\Office12\OUTLOOK.EXE" /eml "%1", and then click OK.
  6. On the File menu, click Exit to quit Registry Editor.
After you apply this hotfix package, you can also open the .eml file by following these steps.

Note You do not have to implement the previous registry data if you use the following command-line to open .eml files.
  1. Open a Command Prompt window.
    • In Windows Vista, click StartStart button , type command prompt in the Start Search box, and then press ENTER.

      User Account Control permission If you are prompted for an administrator password or confirmation, type your password, or click Continue.
    • In Windows XP, click Start, click Run, type cmd in the Open box, and then click OK.
  2. Type "%ProgramFiles%\Microsoft Office\Office12\OUTLOOK.EXE" /eml "<PathToEmlFile>", and then press ENTER.

Windows Vista

  1. Click StartStart button, point to All Programs, click Accessories, and then click Run.
  2. In the Open box, type cmd, and then click OK.

    User Account Control permission If you are prompted for an administrator password or confirmation, type your password, or click Continue.
  3. Type "%ProgramFiles%\Microsoft Office\Office12\OUTLOOK.EXE" /eml "<PathToEmlFile>", and then press ENTER.

Did this fix the problem?

  • Check whether the problem is fixed. If the problem is fixed, you are finished with this section. If the problem is not fixed, you can contact support.
  • We would appreciate your feedback. To provide feedback or to report any issues with this solution, please leave a comment on the "Fix it for me" blog or send us an email message.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
fixit fix it
Properties

Article ID: 956693 - Last Review: 09/03/2013 05:37:00 - Revision: 4.0

Microsoft Office Outlook 2007

  • kboffice2007presp2fix kbqfe kbbug kbfix kbfield kbfixme kbmsifixme KB956693
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