sharepoint online check storage usage

Tips to Monitor SharePoint Online Storage Usage

By William ClarkDecember 25, 2025

Monitoring SharePoint Online storage usage is crucial to ensure efficient use of your cloud resources and prevent unexpected data caps. This guide will walk you through checking and understanding your SharePoint Online storage consumption, helping you make informed decisions.

SharePoint Online offers a robust suite of features, making it a powerful platform for collaboration and data management. However, with great power comes great responsibility—keeping an eye on your storage usage can save you from overspending and potential data loss due to exceeding limits.

Understanding SharePoint Online Storage Allocation

SharePoint Online storage is allocated on a per-user basis, with each user getting 1TB of storage. This storage is shared among all the user's sites and OneDrive for Business. Understanding this allocation is key to managing your storage effectively.

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In addition to user-based storage, SharePoint Online also includes a pooled storage limit for each subscription. This pooled storage is used when team site owners create new sites, and any remaining pooled storage can be viewed in the SharePoint Admin Center.

Checking Individual User Storage Usage

To check an individual user's storage usage:

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Sign in to the SharePoint admin center with an account that has admin permissions.
Select the Show all link under the Users and Groups section.
Select a user, scroll down to the OneDrive storage (GB) field, which displays the user's storage usage.

Checking Pooled Storage Usage

To view the pooled storage usage:

Sign in to the SharePoint admin center.
Navigate to the Settings section.
Select Manage storage, where you'll find the total pooled storage and the amount used.

Optimizing SharePoint Online Storage Usage

Managing storage efficiently is essential for maximizing your SharePoint Online investment. Here are some strategies for optimizing storage:

Regularly Delete or Archive Unused Files

Files accumulate over time, leading to wasted storage. Regularly review and delete or archive unused files to free up space.

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Implement Storage Quotas

SharePoint Online allows you to set storage quotas for individual sites or site collections. This helps prevent users from exceeding storage limits and ensures that you stay within your organization's storage budget.

Migrate Large Files to External Services

If you have large files that must be kept but aren't frequently accessed, consider migrating them to external services like Azure Blob Storage. This reduces your SharePoint Online storage consumption while still keeping files accessible.

By proactively monitoring and managing your SharePoint Online storage, you can ensure sustainable growth, control costs, and get the most out of your cloud collaboration platform. Stay informed, make data-driven decisions, and keep your storage usage in check for a successful SharePoint Online journey.