Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
If your credit card was hit with a charge - from any company - for something that you know for sure you did not purchase, what does that tell you?
To me, it says that someone has stolen your credit card information, and is using that information to make unauthorized purchases with your card, and will continue to do so until you call the credit card issuer and shut them off.