Microsoft Outlook Message (.msg)

The .msg file is used to represent individual email messages, appointments, contacts, tasks, and so on in the file system.

Decrypt & Open in Linux

sudo apt-get install libemail-outlook-message-perl libemail-sender-perl
msgcovert example.msg
open example.eml
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Extract Attached Files

If the message is attached some file e.g. .zip, we can extract the file.

1. In CyberChef, paste the text contains Base64 encoded.

For example,

Content-ID: 
Content-Type: application/octet-stream; name=example.zip
Content-Disposition: attachment; filename=example.zip
Content-Transfer-Encoding: base64

UEsDBBQAAAAIAJBsAVWzNSwXM3oTAAAQ8QANAAAAc2VjdXJpdHkuZXZ0eOxdCXxVxdU/b8nLRhZk
R5aAoqINJISwChISAlSQCEHFUjCQxABJwCTsLnHBtSpabW2t1rpVu1g/97pVa22prRqXKrW0ta1t
...
6Vf33X5WvnNm5rx7373vvnffct97I==
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2. Attach “Base64” and “Extract Files” operations.

After baking, we should get the attached file and download it.