Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Regarding your issue, to change the email for payment notifications, you'll need to update it from the Microsoft 365 admin center. The steps depend on your billing account type either MCA (Microsoft Customer Agreement) or MOSA (Microsoft Online Services Agreement). You can check which one you have by going to Billing > Billing accounts in the admin center.
If you have an MCA billing account:
- To add more recipients, go to Billing > Billing accounts, select your account, open the Billing profiles tab, and edit the recipients under Invoice & billing notifications.
If you have an MOSA billing account:
- To change who receives them, go to Billing > Billing notifications, then select Change Billing admins or Change Global admins to add or remove users.
For more details, please refer to: Change who receives billing notifications
Hopefully it will help work with your issue and if you have any other questions or need further assistance, feel free to ask.
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