How do I view my message headers in Outlook?

View All Message Headers in Outlook

To have Outlook 2007 show you a message's all header lines:

  • Open the email in a new window by double-clicking it.
  • Click the expansion button in the lower right corner of the Options toolbar box.
    • The box by default holds the Follow Up and Mark as Unread buttons.
  • Find the headers under Internet headers:.

View All Message Headers in Outlook 2000, 2002 and 2003

To display all of a message's headers lines in Outlook 2000 to Outlook 2003:

  • Open the message in a new window in Outlook.
  • Select View | Options... from the message's menu.

All header lines appear under Internet Headers at the bottom of the dialog that comes up.  

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