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

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==

2. Attach “Base64” and “Extract Files” operations.

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