How can I open .msg files on a Mac

I have received a .msg file as an attachment from a coworker. I am using OS X and there are no default programs to open the file. Does anyone know how I can open a .msg file on my Mac?

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7 Answers

I can recommend the free Java program MSG Viewer, available from Sourceforge.

Msg Viewer is an e-mail-viewer utility for msg e-mail messages, implemented in pure Java. It works on Windows/Linux/Mac platforms. It also provides a Java API to read msg files programmatically.

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Outlook for Mac unfortunately cannot read these messages, it seems.

MailRaider is a program that should be able to read those files just fine. It's available for $1.99 on the App Store. It used to be free, so you might find old versions somewhere.

Are you a Switcher? Have you got old e-mails archived somewhere? Have you ever wished that your Mac could read your old Microsoft™ Outlook .msg files? If so, MailRaider could be just what you need.

It should be able to read the files and even save attachments.

Here's a caveat about files that don't originate from Outlook:

Sadly, there are many other programs out there which use the .msg file extension. If your .msg file wasn’t written by Microsoft Outlook then MailRaider won’t be able to read it. If you’re able to open the content in an editor like TextEdit then it may be that the file will open happily in Apple Mail if you just change the extension to .eml.

Other applications you could try include Klammer (non-free).

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Another free and cross-platform tool for extracting the contents of an Outlook msg file from the command line is msg-extractor. It requires Python3 and couple of other Python modules. To extract the contents of a file:

python -m extract_msg example.msg

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Many solutions exists, but the simplest I found if you have outlook account is:

1. Open your outlook online inbox: .

2. Attach your .msg file on a draft message.

3. Click to open it using your browser.

That's it.

Hope this still helps !

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If you're a Mac user with an Exchange account at your business, or Outlook.com (or whatever they call it these days) account online, the easiest thing to do is probably send yourself a message with the .msg file attached to it. In your webmail interface, you can view that attachment as a message.

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There is a free tool online called MessageViewer Online provided by a company named Encryptomatic which seems to work OK:

I used it successfully a single time in October 2016. You click the button "Choose file" and then click the button "View".

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MailRaider Pro works well - it costs a small amount, but you can get it on the app store or on the 45RPMSoftware website. The version on the 45RPMSoftware website also works as a demo (it won't open your entire email, and it won't extract all your attachments til you've paid for it.)

The developer is very helpful, responding quickly to emails (but the help forum on the website doesn't seem to work at the moment).

Website - MailRaider

Youtube tutorial - Youtube tutorial