E-posta ve zamanlama için iş ortamlarında Android için Outlook kullanımı
Hello,
This is typically due to typo done on the other person's end. You two must have similar email addresses. If someone signed up and never verified their Gmail address (apparently they cannot access it), you don’t actually own that Microsoft account, even though it is using your Gmail. Microsoft treats that Outlook.com account as a valid Microsoft account, but it is in a "low trust" state unless email verification is done. You cannot claim, recover, or delete that account unless you have the login credentials or access to that account’s recovery options. Microsoft will not release or close the account at your request because the Microsoft account technically is not considered yours.
I would suggest two options:
Leave it
Your Gmail is not at risk. This type of issue is typically due to typo on the other user. If no email verification was done on their end, they can't really "use" the account properly. Any serious use (like buying Xbox subscriptions, using OneDrive, or password reset) would require them to verify your Gmail, which they cannot do. So the account typically gets abandoned and then eventually close out on its own due to inactivities (takes two years though).
Report it:
Go here: https://msrc.microsoft.com/report/ Scroll down and click on outlook spam to get the address to email to. And report it as "I believe someone is impersonating me".