Question: How Can I Make an E mail address on Microsoft.com? 

Answer: Microsoft.com is their corporate webserver.  If you want an e-mail address with that particular server, you would have to get a job with the company.  Their ISP webserver is MSN.com.  Sign up with MSN to get an MSN e-mail address.  They also have a free e-mail provider, Hotmail.com . You could sign up with them.
This question from the Yahoo Q&A forum is categorized in the topic: Family & Relationships