Office 365 Extra File Storage for Small Business

Microsoft 365 Extra File Storage adds flexible, per‑gigabyte capacity to SharePoint and OneDrive so your small business can scale securely as content grows. Purchase only the storage you need and expand beyond your plan’s included pool without disrupting users or migrating data. Centralized SharePoint storage automatically serves all sites and can be allocated by admins to meet project, team, or compliance requirements. Data benefits from Microsoft’s enterprise‑grade security, compliance, and reliability within your existing tenant. Ideal for seasonal spikes, large archives, or rapid expansion, this add‑on helps control costs while maintaining performance and collaboration in Microsoft 365. Learn more in Microsoft documentation: Microsoft 365 storage model for SharePoint and OneDrive and Extra File Storage add‑on.

Compatible with eligible Microsoft 365 and Office 365 business plans.