Get admin help with billing in Office 365 for business.
Not an admin? Add, update, or remove a credit card or other payment option for Office 365 for home.
Extend your trial
Buy a subscription from your free trial
Buy another subscription
Buy or edit and add-on
Buy a domain name
Add storage space for your subscription
View your bill
Understand your invoice
Pay for your subscription
Manage credit cards or bank accounts
Change your payment method
Change your billing addresses
What tax will I be charged?
Apply for tax exempt status
Understand subscriptions and licenses
Buy licenses for your subscription
Assign licenses to users
Unassign licenses from users
Remove licenses from your subscription
Resolve license conflicts
Switch to a different plan or subscription
What does switching plans do to my service and billing?
Important information for Office 365 Enterprise E4 customers
Renew your subscription
Reactivate your subscription
Cancel your subscription
What happens to my data and access when my subscription ends?