How to view email headers

Microsoft Outlook Express

Select the e-mail which you want to retrieve the header.

Go to "File" -> "Proprietors" then "Details".

Click "Message Source". You can retrieve the header in the e-mail.

Microsoft Outlook 2003

Open the e-mail which you want to retrieve the header.

n the new window, go to "Display" -> "Options ...".

email-headers The full header of the email appears (see green box in the screenshot below).

email-headers

Microsoft Outlook 2007

Right-click on the e-mail which you want to retrieve the header.

Go to "Message Options ...".

email-headers The full header of the email appears (see green box in the screenshot below).

email-headers

Microsoft Outlook 2010

Open the e-mail which you want to retrieve the header.

In this new window, go to the "Message" and then click the small arrow to the right of indicators (see green box in the screenshot below).

email-headers The full header of the email appears (see green box in the screenshot below).

email-headers

Microsoft Outlook 2013

Open the e-mail which you want to retrieve the header.

In the new window, go to "File".

email-headers Then select "Information" and "Properties".

email-headers The full header of the email appears (see green box in the screenshot below).

email-headers

Mozilla Thunderbird

Select the message which you want to retrieve the header.

Press "Ctrl+U".

email-headers The full header of the email appears (see green box in the screenshot below).

email-headers

Mac Mail

Select the e-mail which you want to retrieve the header.

Go to "Presentation" -> "Message" -> "All headers".

email-headers The full header of the email appears, then you can view it.

email-headers

Microsoft Outlook 2011 for Mac

Right click on the e-mail you want to retrieve the header.

Then select "View Source"

email-headers The full header of the email appears, then you can view it.

email-headers

Microsoft Entourage 2008 for Mac

Select the e-mail which you want to retrieve the header.

Right click on the e-mail

Then select "Source".

A new window opens with the full headers of the email.

Roundcube

Select the e-mail which you want to retrieve the header.

Visit "... (More)" -> "View source".

email-headers A new tab will open in your browser with the full header of the email.

email-headers

OWA 2013

Select the e-mail which you want to retrieve the header.

Go to "..." -> "display the message details".

email-headers The full header of the email appears, then you can view it.

email-headers

Gmail

Open the e-mail which you want to retrieve the header.

Click the arrow next to the reply button.

Select "Show original" to open a new window header of the email.


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