License & Subscription Issues

Understanding OneDrive for Business Plan 2 Storage Limits

Steve KSteve K Oct 28, 2026 868 views

Question details

The user needs to understand why OneDrive for Business Plan 2 only provides 1 TB of storage by default instead of unlimited storage, and how to increase the capacity.

Understanding OneDrive for Business Plan 2 Storage Limits
Product
OneDrive for Business
Device & OS
not provided
Scenario
Managing enterprise cloud storage allocation for users
Observed behavior
The subscription defaults to a 1 TB per user limit, and unlimited storage is not automatically applied to all accounts.
Before you start

Log in to the Microsoft 365 Admin Center to verify your total number of active user licenses, as unlimited storage eligibility requires a minimum of five users.

Solution 1Recommended

Increase Storage for Subscriptions with Fewer Than Five Users

Understand the default 1 TB limit and how administrators can increase it up to 5 TB per user.

By default, OneDrive for Business Plan 2 allocates 1 TB of storage per user. If your organization has fewer than five user licenses, you do not qualify for unlimited storage. However, an administrator can still increase individual storage limits.

1
Sign in to Admin Center

Sign in to the Microsoft 365 admin center using your global or SharePoint admin credentials.

2
Access SharePoint Admin Settings

Navigate to the SharePoint admin center, then go to 'Settings' in the left-hand navigation pane.

3
Modify Storage Limit

Select the OneDrive storage limit setting and enter a new default storage amount up to 5 TB (5120 GB), then save your changes.

Increase Storage for Subscriptions with Fewer Than Five Users
Admin Privileges Required: Only users with global or SharePoint administrator roles can modify the default storage limits for the organization.
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Frequently Asked Questions

Why does my OneDrive for Business Plan 2 only show 1 TB of storage?

By default, the initial storage allocation is 1 TB per user. If your organization has fewer than five licensed users, you do not qualify for unlimited storage, but your administrator can manually increase this limit to 5 TB.

How do I get more than 25 TB of storage in OneDrive?

Microsoft provisions a maximum of 25 TB per user in individual OneDrive accounts. Any additional storage capacity needed beyond 25 TB must be allocated and managed through SharePoint team sites.

Can an individual user increase their own OneDrive storage limit?

No, individual users cannot increase their own storage limits. Only users with global or SharePoint administrator roles can change the default storage space or request additional storage from Microsoft.