Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
For Microsoft 365 for home, if the card on file has expired, update the payment method first, then retry the upgrade.
- Go to Payment options and sign in with the Microsoft account tied to the subscription.
- If the existing payment method shows an error, update it.
- If the subscription is past due, go to Services & subscriptions, find the subscription, select Pay now, review the payment method, and then complete the payment.
- If the card still isn’t accepted, verify that the payment details match exactly: card number, expiration date, name on the card, and billing address.
- If the issue continues, contact the card issuer to confirm the card is active and can be used for the transaction.
For card-type support, the provided context only states that American Express cards aren’t currently supported in India in the referenced declined-card guidance. No broader Microsoft 365 home rule for AmEx support is provided here.
If the problem is specifically with replacing the card number on an existing Microsoft 365 business payment method, that card can’t be edited in place and must be replaced with a different payment method. The provided home-account guidance only confirms that payment information can be updated when the name, billing address, expiration date, or CVV has changed.