Hi Patrice,
Thank you for contacting the Microsoft Community.
I know the importance of updating your legal name in your profile, so rest assured that I will assist you with your request.
For me to locate your profile and to review the changes made or if further modification needed, I’ll need to verify a few details. I’ve initiated a private message where you can securely share the necessary information. Meanwhile, if the hyperlink provided doesn't work, kindly locate the private message icon as shown below:

I look forward to your response. Please note that if no response is received after two business days, the case will be closed and locked. After the case is locked, we will no longer be able to respond, even through Private Messages. Thank you.
Warmly,