Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Try using your mobile phone with the Microsoft Edge browser, then add your payment card again by following these steps:
Go to https://account.microsoft.com/billing/payments and sign in to your Microsoft account.
Select Add a new payment method, enter your card details and billing address, then select Save.
Note: Ensure your billing name and address match your bank's records. If you get an error, try entering your postal code with or without spaces.
Your region should match your billing address and payment method. Make sure your billing address and payment card are from the same country or region.
Check if your region and billing address are correct:
Please visit this link for instructions on how to change your region:
https://support.microsoft.com/accounts-billing/change-your-country-or-region-in-microsoft-store
Billing address:
If the issue persists after trying all of the steps above, I recommend contacting Microsoft Billing Support directly, as they have access to the necessary tools and resources to investigate payment-related issues further.
Click this link: https://support.microsoft.com/contactus/
Sign in to your Microsoft account.
Select Microsoft 365 > Click 'Get home support'.
Type "Chat with an agent" from the text field and press Enter.
Click "Contact support" at the bottom.
Select the product you need help with.
Follow the prompts to connect with a live agent or request a call back.