Organizations on select Office 365 and SharePoint Online products can order additional file storage.
Office 365 Extra File Storage is available for the following subscriptions:
- Office 365 Enterprise E1
- Office 365 Enterprise E3
- Office 365 Enterprise E5
- Office 365 Business Essentials
- Office 365 Business Premium
- SharePoint Online Plan 1
- SharePoint Online Plan 2
Extra File Storage can also be added on to Microsoft 365 packages.