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How can I view the source of an email in Outlook 2013?

I want to see the exact email source, as I can do in Gmail or in Mozilla Thunderbird. I'm particularly interested in the top matter (headers?). Here's an example, courtesy Gmail.

Received: by with SMTP id hx9csp12093igb;
        Wed, 19 Sep 2012 01:36:43 -0700 (PDT)
Received: by with SMTP id w5mr1607897qct.21.1348043802480;
        Wed, 19 Sep 2012 01:36:42 -0700 (PDT)
Return-Path: <noreply@github.com>
Received: from smtp1-ext.rs.github.com (smtp1-ext.rs.github.com. [])
        by mx.google.com with ESMTP id 5si930058qcy.70.2012.;
        Wed, 19 Sep 2012 01:36:42 -0700 (PDT)
Received-SPF: pass (google.com: domain of noreply@github.com designates as permitted sender) client-ip=;
Authentication-Results: mx.google.com; spf=pass (google.com: domain of noreply@github.com designates as permitted sender) smtp.mail=noreply@github.com
Date: Wed, 19 Sep 2012 01:36:41 -0700
From: Louis <notifications@github.com>
Reply-To: rg3/youtube-dl <reply+i-4883054-e3dc1a39bd6fec305e5564ef8b3375860908afb5-105314@reply.github.com>
To: rg3/youtube-dl <youtube-dl@noreply.github.com>
Cc: Matt Hickford 
Message-Id: <rg3/youtube-dl/issues/355/8684287@github.com>
In-Reply-To: <rg3/youtube-dl/issues/355@github.com>
References: <rg3/youtube-dl/issues/355@github.com>
Subject: Re: [youtube-dl] Youtube Download Slows Down after 10 seconds (#355)
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary=mimepart_50598419db896_3241ecda741010
Precedence: list
List-Archive: https://github.com/rg3/youtube-dl
List-Id: rg3/youtube-dl <youtube-dl.rg3.github.com>
List-Post: <mailto:reply+i-4883054-e3dc1a39bd6fec305e5564ef8b3375860908afb5-105314@reply.github.com>
X-Github-Reason: comment
List-Unsubscribe: <mailto:unsub+i-4883054-e3dc1a39bd6fec305e5564ef8b3375860908afb5-105314@reply.github.com>
X-Github-Recipient: matt-hickford

Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: Quoted-printable
Content-Disposition: inline
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Similar question was once asked at Microsoft's Technet, but wasn't understood social.technet.microsoft.com/Forums/en-GB/officeitpropreview/… –  Colonel Panic Sep 19 '12 at 10:51
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4 Answers

  1. Open message in new window
  2. On the Message tab select Actions dropdown (next to Move button)
  3. Select Other ActionsSource
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In Outlook 2013, this gives me the source of the message body, but not the header. –  Highly Irregular Mar 10 at 3:00
@HighlyIrregular is correct. All you see is the raw HTML that corresponds to the BODY of the email, but not the internet headers. The accepted answer by colonelPanic is correct. –  Knox Mar 12 at 15:37
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up vote 21 down vote accepted
  1. Open the particular email in a new window (this is important, it's not enough to be looking at the message in what Outlook calls the 'reading pane')
  2. Follow the menu File / Info / Properties
  3. Look for a text area labelled 'internet headers'
  4. Here are the headers. Select and copy the text to a text editor

As for the content of the email, I don't know how to read the source for that.

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Is File - Info - Properties not working to display the headers?

This answer is from here: email.about.com

Make Available the Complete Message Source in Outlook

To set up Outlook so you can see the complete source of emails:

Press Windows-R
Type "regedit".
Hit Enter.
For Outlook 2013:
    Go to HKEY_CURRENT_USER\­­Software\­­Microsoft\­­Office\­­15.0\­­Outlook\­­Options\­­Mail. 

Select Edit | New | DWord from the menu.
Type "SaveAllMIMENotJustHeaders".
Hit Enter.
Double-click the newly created SaveAllMIMENotJustHeaders value.
Type "1".
Click OK.
Close the registry editor.
Restart Outlook if it has been running. 

See the Complete Source of a Message in Outlook

Now you can retrieve the source of newly retrieved POP messages (editing the SaveAllMIMENotJustHeaders value does not restore the complete message source for emails that were already in Outlook):

Click on the desired message with the right mouse button in the Outlook mailbox.
Select Options... from the menu.
Find the message source under the (now improperly named) Internet headers: section. 
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Thanks Riscie, I followed the instructions and the menu item appeared. However this only shows me the HTML source for the message content, not the top matter or headers. I've clarified my question above. –  Colonel Panic Sep 19 '12 at 10:22
@ColonelPanic - The internet header information listed in Message Options is the content your looking for. –  Ramhound Sep 19 '12 at 11:21
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Open the message in a new window.

Message → Actions → Other Actions → View Source

outlook 2013 view source

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Thanks. This should be at the top. A picture tells more than thousand words. –  Lorenz Meyer Mar 24 at 16:41
I don't have View Source there –  Csaba Toth Mar 24 at 17:09
@CsabaToth Which version of office do you have? –  Alex Mar 24 at 17:12
@Alex I realized that I have 2010, probably that's why :P Finally I used a SquirrelMail account to view the raw e-mail, I think there's a way with Gmail too. I just wanted to inspect the MIME sections what arrived... I shed a tear for the good old days with pine... –  Csaba Toth Mar 24 at 22:37
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