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License & Subscription Issues

How to Increase OneDrive Plan 2 Storage from 5 TB to 25 TB

Olivia MillerOlivia Miller Oct 13, 2026 869 views

Question details

The user needs to upgrade their OneDrive Plan 2 cloud storage capacity from the initial 5 TB limit to the maximum 25 TB limit.

How to Increase OneDrive Plan 2 Storage from 5 TB to 25 TB
Product
Microsoft OneDrive Plan 2
Device & OS
not provided
Scenario
Expanding enterprise cloud storage capacity because the initial 5 TB quota is nearly exhausted.
Observed behavior
The OneDrive account is over 90% full, but the storage limit has not automatically expanded, and the user cannot manually increase the limit to 25 TB.
Before you start

Verify that your organization has at least 5 users on qualifying plans and that you have administrator privileges in the Microsoft 365 Admin Center, as standard users cannot modify these limits.

Solution 1Recommended

Request a Storage Increase via Microsoft 365 Admin Center

Use this primary method to run the official Microsoft diagnostic tool and authorize the storage upgrade for eligible accounts.

Microsoft requires a manual diagnostic check through the Admin Center once a qualifying user reaches 90% capacity of their initial 5 TB allocation before the 25 TB limit is unlocked.

1
Log in to the Admin Center

Go to the Microsoft 365 admin center (admin.microsoft.com) and log in using an account with Global Administrator or SharePoint Administrator privileges.

2
Run the Storage Diagnostic

Navigate to the lower-right corner or the Support section, click on 'Help & support', and type 'OneDrive Storage Limit' in the search bar. Click 'Run Tests' to launch the diagnostic tool.

3
Submit the Capacity Request

Enter the User Principal Name (UPN) or email address of the account that is 90% full. Once the system confirms eligibility, follow the prompt to apply the new 25 TB limit to the user.

Request a Storage Increase via Microsoft 365 Admin Center
Processing Time: It can take up to 24 hours for the new 25 TB storage limit to take effect and be visible in the user's OneDrive account settings.
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Frequently Asked Questions

What are the requirements to unlock 25 TB of OneDrive storage?

To qualify for 25 TB, your organization must have at least 5 users subscribed to a qualifying Microsoft 365 or OneDrive Plan 2 tier. Additionally, the specific user requesting the increase must have already filled their baseline 5 TB allocation to at least 90%.

Can standard users increase their own OneDrive storage limit?

No. Only an administrator with Global or SharePoint admin roles can access the Help & Support section to run the required diagnostic and request a storage limit increase on behalf of a user.

What happens if a user needs more than 25 TB of storage space?

25 TB is the absolute maximum storage limit per individual user on OneDrive. If your organization requires more storage for files, Microsoft recommends provisioning SharePoint team sites, which allow you to pool and share storage at the organizational level.