Dear @Rey Matthew Tan,
Thank you for reaching out to the Microsoft Q&A forum. I am happy to assist you.
If you pay with a credit or debit card and the payment is declined, Microsoft will send you an email stating that the transaction could not be processed. Please ensure that all card details: number, expiration date, cardholder name, and full billing address (city, state, and ZIP code), etc. match exactly as shown on your card and statement. You can update the information and try submitting the payment again.
Learn more at: Manage payment methods for Microsoft business accounts | Microsoft Learn
In the meantime, regarding your coursework, you may create a copy of your file and open it using Microsoft Office for the web. You can then save a version locally or to your personal cloud storage if you need a backup.
If this matter is urgent, I kindly recommend raising a support request with the Billing team. They have the appropriate tools and permissions to access your account or tenant, allowing them to investigate the issue more thoroughly and provide more accurate guidance.
As a forum moderator, I do not have access to any user accounts or tenant information. My role is limited to providing general guidance, and troubleshooting suggestions based on the information you share. For issues that require account‑level investigation or access to sensitive data, only the appropriate Microsoft support teams have the necessary tools and permissions.
The Global Admin can create a support ticket by sign in to the Microsoft 365 Admin Center > Support > Help & Support.
For detailed instructions on how to get support, please refer to Get support - Microsoft 365 admin.
Note: If you’re an end-user, please coordinate with your Office 365 Global Administrator to handle these steps.
If you are using a personal account, please follow the steps below:
- Go to Contact Us and sign in with any personal account.
- Select Microsoft 365 > choose Get Home Support.

Follow the instructions to submit a ticket so the Microsoft Support agent can help you check your payment method.
I hope this information is helpful. If you need any further assistance, please feel free to reach out. We are here to help. Thank you very much for your understanding and cooperation.
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