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I have just started using Ubuntu & Thunderbird. I have saved my Outlook emails in my hard disk which are with .msg extension and now when I try to open them in Thunderbird it doesn't open because Thunderbird used .eml extension.

Please advise how can I convert my old emails of Outlook in to Thunderbird format.

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There's an online converter here: (disclaimer: I'm one of the coders who created this free tool) – jitbit Apr 28 at 21:20

3 Answers 3

Install the following modules:

libemail-outlook-message-perl, libemail-localdelivery-perl:

sudo apt-get install libemail-outlook-message-perl libemail-localdelivery-perl

When installed, download the .pl named, then run:

./ --mbox [desiredFilename].eml [currentFileName].msg 

Virustotal report for

Now you can open your .eml file in thunderbird.


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1 is not available for public access – Ilja Jun 16 at 19:21
@Ilja , can't seem to contact the original author(source part in my A). – blade19899 Jun 16 at 21:06

This is a online tool to convert mail files into different formats, eml included: Online Mail Converter

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Good to know but this is not suitable for many purposes such as emails containing private or sensitive company information. – augurar Aug 31 at 17:52

Just save the mail in .txt format and change the extension to .eml

Saw it here and it works: Super User - How to save a mail into an .eml-file with Outlook?

The most funny is that there are proprietary converter for that!

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protected by Takkat Dec 24 '13 at 13:28

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