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Outlook Express and Thunderbird both support the .eml-file format. Somehow Outlook does not.

Is there any way to save mails into into an .eml-file using Outlook (e.g. with the help of a plugin)?

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Strange, isn't Outlook the pay version and Outlook Express the free version? –  Henri Watson Nov 26 '09 at 20:43
Yep, that is what I thought at first, too. –  Martin Nov 27 '09 at 8:01
Outlook Express actually has some really cool features that Outlook doesn't. Go figure. –  Trevoke Feb 4 '10 at 16:31

10 Answers 10

up vote 3 down vote accepted

You can either import the messages into Outlook Express and save them as EML files, or use Outlook Extract

OutlookExtract is a tool that helps you to extract your e-mail messages and Attachments contained in MS Outlook, Outlook Express and Windows Mail. You can save the messages as Mime (.eml), Outlook message (.msg), Adobe PDF or as Text / Html Files.

Another option:

Just double click on the message, go up to Save -> Save As and under the file type choose Text .txt .

This is the same as EML format, you can just change the file extension from .txt to .eml

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Saving the mail as a .txt-file is not the same. I will loose almost all header informations by doing this. –  Martin Nov 27 '09 at 8:00
Why is this marked as the answer if it is wrong? –  TheXenocide Sep 23 '11 at 14:07
Will not work. And it is a commercial tool. –  thims Nov 12 '13 at 17:57
Outlook save as .txt will also lose any attachments –  BeowulfNode42 Apr 2 '14 at 4:27

Mail Store Home is a program free for home use. It allows you to link a number of email programs (Outlook, Outlook Express, Thunderbird, etc) and online email sources (Gmail, yahoo) to the one local Mail database. You run the program and it will access the email from the different locations or program you point it at and consolidate them into a single database. From there you can export the mail to any of the desktop programs. So in other words it will pull the mail from Outlook and export it into, say, Thunderbird for you

It is also a good way of backing up your email from multiple sources and make them searchable. Also an excellent way to back-up (and search) your on-line emails (like Gmail) on your desktop even when not online.

If you are only trying to convert a single email it may be overkill - but it works well

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This is the best, free, up-to-date tool to achieve email export tasks in the Windows ecosystem. Just came back from an hour of research of various tools/addins/etc. and, seriously, this is it. –  masterjo Jan 23 '12 at 15:20
  1. Send the email to a Hotmail account
  2. View the Message Source
  3. Save as an .eml file
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This can be applied to other providers too, including gmail. –  Malachi Jan 15 '13 at 11:56

Seems like outlook is lacking this feature. You can export message to MSG and then convert it to EML if you want using a free MAPI developer tool called MFCMapi.

  1. Save the message to Outlook Message Format (MSG) via File -> save as
  2. Download MFCMapi http://mfcmapi.codeplex.com/
  3. Start it, go to Advanced -> Import/Export -> Convert MSG to EML
  4. Leave all the fields to default, press OK and choose the MSG file
  5. Save the EML file to the desired location
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I happen to have stumbled across this utility that might be a nice free add-on for Outlook http://www.outlookfreeware.com/en/products/all/OutlookMessagesExportEML/

Hope this helps. It really would've been nice if Outlook included this ability and maybe even the ability to export to "mbox" format so we can port it to a Unix mail system.

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This works as the best option for me, aside from writing my own program using Redemption. Most of the answers posting here are not acceptable in the financial world. Forwarding a bank statement to gmail and then viewing source? Seriously? –  beeks Mar 5 at 15:23

I often need to do this task, so I wrote an online utility to do that: https://www.jitbit.com/msg2eml/

There are similar tools out there, but they are mostly full of ads and ask you to register first. There are just two steps in mine: 1. upload an .msg 2. download a .eml.

Hope it'll be useful for someone.

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Unfortunately this converts only to plain text .eml. All HTML formatting is missing. –  briantist Feb 3 at 20:06
@briantist send me an example file please, I'll take a look. –  maxt3r Feb 4 at 20:14
do you have an email or other method I could send you a file privately? –  briantist Feb 4 at 20:31

Bit of a drawn out process, but fairly simple:

Open Outlook and Outlook express on your computer.

In Outlook Express:

  • Select Import > Messages from the File menu.
  • Select Microsoft Outlook from the dialog box and press Next.
  • Select the folder (or all) that you want to convert. Press Next.
  • After importing, press next.
  • Find the imported folder and highlight all the messages - Drag them to a folder and they will be saved as .eml format.


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You're looking to convert your PST file to EML.

I can't find any free tools to do this, but this seems to do the job, and the demo may or may not get it done.

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Outlook Express does not work on anything past XP. One cannot open both Outlook Express and Microsoft Outlook and import and export from each other if you have moved beyond XP.

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Let's call this a little "cheat", but it works perfectly (at least in Outlook 2010) and it's very, very easy.

Go to your inbox, select at least one email that you want to export as .eml, right click, and select "Forward". Outlook will open ONE new email, attaching all others as .eml-files. Just send them to you or any other account.

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For me, on Outlook 2010, this just resulted in MSG files being attached, not EML –  GrahamMc Feb 14 '13 at 12:57

protected by Community Sep 19 '13 at 6:38

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