Office 365 Business, Business Essentials, and Business Premium plans are available for monthly commitment payment or annual commitment payment.
- Monthly commitment payment: You pay month by month, and you can cancel at any time.
- Annual commitment payment: You sign up for a one-year subscription, but you can choose to pay month to month or pay for the entire year at the time you sign up. There is a discount for using this payment option.
The Office 365 Enterprise plans (including standalone Enterprise plans such as Exchange Online) and Office 365 ProPlus are available for annual commitment payment.
- Annual commitment payment: You sign up for a one-year subscription, but you can choose to pay month to month or pay for the entire year at the time you sign up.