Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Dear @Brennan Kosty,
Good day, and thank you for clearly explaining your situation.
As a forum moderator, I genuinely wish I could directly access your account or review backend systems to determine which Microsoft 365 tenant the “Review or update your payment method” email is associated with. Unfortunately, that level of investigation isn’t possible from the forum, especially when you manage a large number of tenants.
Given that you oversee more than 100 Microsoft 365 tenants, the most effective next step is for the Global Administrator in your organization to create a service request with Microsoft Support. A Microsoft support engineer can review backend records, identify the specific tenant linked to the notification, and run the necessary diagnostics. If needed, the case can be escalated to a specialized team for deeper analysis. Ask The Global Admin in your organization to create a service request with Microsoft support to get advanced technical assistance and diagnostics. For detailed instructions on how to get support, please refer to Get support - Microsoft 365 admin. If you don't know who your IT administrator is, please refer to this article: How do I find my Microsoft 365 admin? - Microsoft Support
For additional assistance, use this link to find the appropriate contact number from your region: Global Customer Service phone numbers - Microsoft Support
I truly hope this helps you get the issue resolved as quickly as possible. While I’m unable to intervene directly, guiding you to the correct support channel is the most effective assistance I can provide from my position. Thank you for your patience and understanding, and please let me know if you need anything further. I wish you all the best.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.