There have been written about the steps required for viewing the header details of email in different mail applications.
Hotmail has a feature that lets users to see the header details of email using the View Message Source option.
Step1 :- Login to your Hotmail account.
Step 2 :- Select an email message for which you want to view the header details.
Step 3:- Click the arrow pointing downwards next to the Reply option and select View message Source from the drop down list.
Step 4:- A separate window will now appear with the message source of the selected email message.