The linked Kaggle dataset https://www.kaggle.com/foiachap/seattle-email-metadata/ shows that the final returned data are Excel tables with content which looks like this:
Sender or Created by: "Herring, Kaya" <Kaya.Herring@seattle.gov>
Recipients in To line: Ortiz, Piper; Jones, Raphael
Recipients in Cc line: Valdez, Khloe
Recipients in Bcc line:
Sent: 3/23/17 18:08
(I changed the names to random ones)