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Images in HTML Emails Display as a Red X in Microsoft Outlook — Automatic Picture Download Blocked

Julkaisupäivä: Jul 1, 2026
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Images in HTML Emails Show a Red X Placeholder in Microsoft Outlook

When receiving HTML emails in Microsoft Outlook, images may not display and instead appear as a red X placeholder. This occurs because Microsoft Outlook is configured by default to block automatic image downloads from the internet to protect user privacy from junk email senders.
When images are blocked, Outlook also displays the following information bar message:

"Click here to download pictures. To help protect your privacy, Outlook prevented automatic download of some pictures in this message."

This behavior is controlled by Outlook's Automatic Picture Download security setting, not by Salesforce. The same behavior can occur for any HTML email received in Outlook, not just emails sent from Salesforce.


 

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How to Enable Automatic Image Download in Outlook (All Versions)

The following steps explain how to allow automatic image downloads in Outlook so that HTML email images display correctly.

Enable Images in Outlook 2003

To turn off the "Don't download pictures or other content automatically in HTML email" option in Outlook 2003:

  1. Start Outlook.
  2. On the Tools menu, click Options.
  3. Click the Security tab, then click Change Automatic Download Settings.
  4. In the Automatic Picture Download Settings dialog box, clear the Don't download pictures or other content automatically in HTML email check box.
  5. Click OK twice.

Enable Images in Outlook 2010, 2013, and 2016

  1. Click the File tab.
  2. Click Options.
  3. Click Trust Center.
  4. Under Microsoft Outlook Trust Center, click Trust Center Settings, then click Automatic Download.
  5. Clear the Don't download pictures automatically in HTML email messages or RSS items check box.

 

Knowledge-artikkelin numero

000385235

 
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Salesforce Help | Article