Managing personal Outlook.com account settings, security, and privacy
Hi there! This is Raech. I'm an Outlook.com user like you and I'm happy to help.
If you suspect your account to be compromised, the immediate step is to reset your password and update your security information online. To help guide you through this process, please visit the link below.
https://support.microsoft.com/en-us/office/help...
With regards to the email you received, do you still have it in your mailbox? Could you please attach a screenshot so we can take a closer look? (Please blur any sensitive info that might show)