Add more SharePoint storage to your subscription

If you start to run out of storage for your SharePoint sites, you can use the Office 365 Extra File Storage add-on to add more storage in 1 GB increments. You buy the add-on in the Microsoft 365 admin center. If you don't see the Office 365 Extra File Storage in the list of available add-ons, it means that your plan isn't eligible to buy it. For more information, see Is my plan eligible?

• Find out what type of billing account you have.
• If you have a Microsoft Customer Agreement (MCA) billing account type, you must be a Billing account owner or contributor, or a Billing profile owner or contributor to do the tasks described in this article. For information about billing account and billing profile roles, see Understand your Microsoft business billing account and Manage your Microsoft business billing profiles.
• If you have a Microsoft Online Subscription Agreement (MOSA), you must be at least a Billing Administrator to do the tasks described in this article. For more information, see About admin roles.

In the SharePoint admin center, go to Active sites, and sign in with an account that has admin permissions for your organization.

The upper right side of the page shows the amount of storage used across all sites, and the total storage for your subscription. If your organization has configured Multi-Geo in Microsoft 365, the bar also shows the amount of storage used across all geo locations.

After you determine how much storage you're using, you can add or remove storage space for your subscription. To find out how much it costs to add storage space, follow the steps in this article and review the pricing information before you buy more.

For information about setting site collection storage limits, see Manage site collection storage limits.

You can buy the Office 365 Extra File Storage add-on in the Microsoft 365 admin center. However, the steps to buy the add-on depend on the type of billing account that you have. Find out what type of billing account you have..

If you have an MCA billing account type:

1. Go to the Microsoft 365 admin center.
   • If you’re using the Simplified view, select Billing, then select Add more products.
   • If you’re using the Dashboard view, go to the Billing > Purchase services page. For some customers, the page is named Marketplace.
2. Under View by category, select Office 365.
3. Find Office 365 Extra File Storage, and then select Details.
4. Enter the number of gigabytes of storage that you want; select a subscription length and billing frequency; and then select Buy.
5. In the Checkout pane, choose the billing profile that you want to use, or add a new one. The Product name section lists the cost, subscription term, and the renewal date for the subscription. To match the renewal date with another subscription paid by the billing profile, select Select a different renewal date.
6. Review your order, and then select Place order.

If you have an MOSA billing account type:

1. Go to the Microsoft 365 admin center.
   • If you’re using the Simplified view, select Billing.
   • If you’re using the Dashboard view, go to the Billing > Your products page.
2. Select the subscription that you want to buy an add-on for.
3. On the subscription details page, in the Add-ons section, select Find more add-ons in Purchase services.
4. Find the Office 365 Extra File Storage add-on, and then select Details.
5. From the drop-down list; select the subscription to connect with the add-on; and then select Connect to subscription.
6. On the Checkout page, enter the quantity that you want to buy and then select Place order.

If you've already bought extra file storage via the Office 365 Extra File Storage add-on, use the following steps to increase or decrease the extra storage space for your subscription. You can reduce the storage to as low as 1 GB. To remove all of the extra storage space, contact support. The steps to change the amount of storage you have depend on the type of billing account that you have. Find out what type of billing account you have..

If you have an MCA billing account type:

1. Go to the admin center.
   • If you’re using the Simplified view, select Billing.
   • If you’re using the Dashboard view, go to the Billing > Your products page.
2. Select Office 365 Extra File Storage.
3. On the product details page, select Buy licenses or Remove licenses.
4. In the Buy licenses or Remove licenses pane, choose whether you want the change to happen now or when the subscription renews.
5. In the New quantity section, enter the number of GBs of storage space that you want for the subscription.
6. Select Save.

If you have an MOSA billing account type:

1. Go to the admin center.
   • If you’re using the Simplified view, select Billing.
   • If you’re using the Dashboard view, go to the Billing > Your products page.
2. Select the subscription that contains the Office 365 Extra File Storage add-on.
3. On the product details page, in the Add-ons section, select Manage add-ons.
4. In the Manage add-ons pane, from the Add-on list, choose Office 365 Extra File Storage.
5. In the Quantity text box, enter the number of GBs of storage space that you want for the subscription.
6. Select Save.

Office 365 Extra File Storage is available for the following subscriptions:

• Microsoft 365 Business Basic
• Microsoft 365 Business Premium
• Microsoft 365 Business Standard
• Microsoft 365 E3
• Microsoft 365 E5
• Microsoft 365 F1
• Microsoft 365 F3
• Microsoft 365 for the web with SharePoint Plan 1
• Microsoft 365 for the web with SharePoint Plan 2
• Office 365 Enterprise E1
• Office 365 Enterprise E2
• Office 365 Enterprise E3
• Office 365 Enterprise E5
• Office 365 A3 (faculty)
• Office 365 A5 (faculty)
• SharePoint Online Plan 1
• SharePoint Online Plan 2

Manage site storage limits in SharePoint in Microsoft 365 (article)