Desktop
- In the top right corner, click on your username dropdown.
- Then, click on Office Settings.
- Then, click on Plan & Billing Information
- On the Plan & Billing Information page, click on the Add Payment Method button.
- On the Add Payment Method modal, input the credit card details and billing address of your credit card, then click Save Payment Method.
- This payment method can not be used to purchase products on the Marketplace.