Interate over a directory of messages and parse them. The output is dependent upon the use case.
I got this from [StackOverflow](https://stackoverflow.com/questions/26322255/parsing-outlook-msg-files-with-python)
Parse Microsoft .msg files
pip install extract-msg;
pip install imapclient;
Note, it may require to install additional modules, in my case, it required to install imapclient:
pip install imapclient