Symptoms
Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base: 322756How to back up and restore the registry in Windows In Microsoft Outlook, inline images within an e-mail message may display as a Red X rather than the intended image.
Cause
The cause varies depending on the Outlook version.
Microsoft Outlook 2016 and 2013: The behavior occurs if the image is not embedded in the message, and the following registry value is NOT set, or is absent: HKEY_CURRENT_USER\Software\Microsoft\Office\x.0\Outlook\Options\Mail DWORD: Send Pictures With Document Value: 1 Microsoft Outlook 2007 and 2010: The behavior occurs if the image is not embedded in the message, and the following registry value is set: HKEY_CURRENT_USER\Software\Microsoft\Office\x.0\Outlook\Options\Mail DWORD: Send Pictures With Document Value: 0 NoteThe x.0 placeholder represents your version of Office (16.0 = Office 2016, 15.0 = Office 2013, 14.0 = Office 2010).Resolution
The steps to address the behavior vary depending on the Microsoft Outlook version.
Microsoft Outlook 2016 and 2013: Add Send Pictures With Document with a value of 1, or change the existing Send Pictures With Document value to 1. Microsoft Outlook 2007 and 2010: Remove the Send Pictures With Document registry value, or change the value of Send Pictures With Document to 1.More Information
In Microsoft Outlook 2016 and 2013, the default value in the absence of Send Pictures With Document is 0, and non-embedded inline images may display the Red X.
In Microsoft Outlook 2007 and 2010, the default value in the absence of Send Pictures With Document is 1, and non-embedded inline images will display as intended.