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OneDrive storage quotas and limits

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OneDrive storage quotas and limits

How OneDrive storage is allocated, what the per-user and per-tenant limits are, and how to scale beyond 1 TB.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/onedrive-storage-quotas-and-limits

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01

Default per-user quotas

The quota is set by the admin in the SharePoint admin center under OneDrive → Storage, with a default applied to new users and the option to override per user.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/onedrive-storage-quotas-and-limits

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02

Expanding beyond 1 TB

For plans that support it, Microsoft expands per-user storage up to 5 TB by default if a user's OneDrive crosses 90% utilisation. Beyond 5 TB, an admin must request additional quota through Microsoft support, providing…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/onedrive-storage-quotas-and-limits

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03

Tenant-wide storage

Each tenant has a tenant storage pool calculated as 1 TB plus 10 GB per licensed user, shared across SharePoint. OneDrive storage is separate from the SharePoint pool — it's per-user. Tenants typically buy additional st…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/onedrive-storage-quotas-and-limits

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04

Retention and deleted content

Watch preservation hold size in reports — it's where unexpected OneDrive fullness usually comes from.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/onedrive-storage-quotas-and-limits

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05

Monitoring

The OneDrive section of the admin center reports active vs total storage, top consumers, and growth trends. Set alerts at 80% to avoid users hitting walls.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/onedrive-storage-quotas-and-limits

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