Using classic Outlook for Windows in business environments
I set up a new email address linked to my Microsoft account for my new outlook account. Sometimes I see it with all lower case and sometimes I see it the way I originally entered it with lower and upper case. I wrote down the password (to make sure I keep track of it. It will not accept it and rejects attempts to send email.
It seems there is no way to get help from Microsoft. I am guessing you charge for your services. How much?