- Sign in to the Services & subscriptions page with the Microsoft account associated with your Office 365 subscription.
- Find the subscription you want to change, and choose Change how you pay.
- In the Change how you pay drop-down list, do one of the following:
- Choose a different payment option. The Pay with section updates to show that your subscription now uses the new payment option.
- Choose Add a new way to pay, and continue to the next step.
- On the next page, choose a payment option, enter the details, and then choose Next.
NOTE: Some countries/regions might have different options.
- On the next page, choose Back to subscriptions. Your subscription is now ready to use the payment option you selected.