How do I view full headers in Windows Live Hotmail?

Here's an example of a message with default settings:

Note the Actions menu link on the right. Click on that and you'll see several options: (Note: several people, myself included, are now seeing a "Reply" link there. Click on the small triangle to its right - it works just the same.)

Click on Show Details to get the expanded header that some refer to as the "Full Header":

In Actions, click on View message source to view the actual raw message. This actually opens as a separate window or tab in your browser (email addresses obfuscated in the copy below, and some additional line breaks added to make it fit the page better):

X-Message-Delivery: Vj0xLjE7dXM9MDtsPTA7YT0xO0Q9MTtTQ0w9Mw==
X-Message-Status: n:0
X-SID-PRA: Leo A. Notenboom 
X-AUTH-Result: NONE
X-Message-Info: JGTYoYF78jFm1I23U2ig9+JDLhKPgj97yA2JzV/HHy/wXpHjoh
   bzHOXYTNCM6Rr5LrS9m96Tfk2iq3I9D9xkxXcXsVueqKvOKMC4NMH5DAc=
Received: from rs3.pugetsoundsoftware.com ([72.32.63.173]) by 
   bay0-mc3-f22.Bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675);
	 Wed, 4 Aug 2010 15:33:36 -0700
Received: (qmail 28430 invoked from network); 4 Aug 2010 17:33:36 -0500
Received: from h-64-105-215-204.sttnwaho.static.covad.net
  (HELO ?192.168.1.154?) (64.105.215.204)
  by secure3.pugetsoundsoftware.com with (DHE-RSA-AES256-SHA encrypted) SMTP;
  4 Aug 2010 17:33:36 -0500
Message-ID: <4C59EABE.1090504@******.***>
Date: Wed, 04 Aug 2010 15:33:34 -0700
From: "Leo A. Notenboom" 
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.11)
  Gecko/20100711 Lightning/1.0b1 Thunderbird/3.0.6
MIME-Version: 1.0
To: Leo Notenboom <******@hotmail.com>
Subject: This is a test message for full header display.
X-Enigmail-Version: 1.0.1
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Return-Path: leo@******.***
X-OriginalArrivalTime: 04 Aug 2010 22:33:37.0005 (UTC) FILETIME=[1459B9D0:01CB3425]

Hello Ask Leo! readers!

Leo

That includes not only the message, but what are truly the complete and full email message headers that are often used for mail trouble diagnosis.

(This is an update to an article originally published September 6, 2007.)