SharePoint Storage – Limits, Pricings, and Tips

Ever wondered why your SharePoint Storage doesn’t lower after deleting some files? Or why your SharePoint Storage is already full even though the site metrics tell something else? SharePoint online is great, but it can be a bit confusing sometimes how the SharePoint storage limits work.

One thing you really should keep in mind is that your SharePoint sites will go into a read-only mode when your SharePoint storage is full. So extending the storage in time is really important.

In this article, I will explain how the SharePoint storage quota works and what counts towards the quota. But also how you can free up storage space immediately and what extra storage will cost (and how to apply it, because that isn’t straight forward either.. )

SharePoint Storage Limits

So lets first start with the SharePoint storage limits. How much storage do you actually get with Microsoft 365? The answer is pretty simple, per tenant (organization) you will get 1TB of storage plus 10GB per license.

1TB + (10GB x Number of Licenses) = Total SharePoint Online Storage

For example, if you have 50 users with each an Office 365 Enterprise E3 license, plus 5 Exchange Online Plan 2 licenses for a couple of mailboxes, then you will get a total of 1,55TB of storage.

You can increase this storage to 25TB per site. To be clear, you will have to buy additional storage space and the 25TB limit is per SharePoint site, so the tenant self isn’t limited.

Besides the available storage space, there are other limits as well.

  • You can “only” have 2 million sites per tenant
  • Maximum file size is 15GB
  • 30 million files and folder per library
  • 50,000 major versions and 511 minor version of a file

OneDrive storage

Important to know is that OneDrive storage of your users isn’t included in this storage limit. Each user gets 1TB of storage by default and that can be increased to 5TB if you have more then 5 users (licenses).

If one of your users reach the 5TB limit, then Microsoft will increase the storage to 25TB1 after you opened a support case.

How is the used SharePoint Storage calculated?

This is the part that is unclear to most people, what counts towards the storage limit of SharePoint? Not only the files self are counted towards the storage limits, but also the files in the first and second-stage recycle-bins, the different versions of the files, and even the files that are kept based on a retention policy.

SharePoint will keep all the different versions of a file, which is great for your users but it can hurt your storage, especially with non-office files, like Cad files.

Sharepoint Running out of Space

So if you get a warning that your SharePoint storage is almost full, then you have two options. Buy additional storage space, which will cost $0.20 per GB per month or cleanup your SharePoint sites.

Buying additional storage space might be the easiest option, but I recommend your fist check your storage usage report (admin center > Reports > Usage) to make sure this isn’t a temporary spike. This happened with one of my tenants due to Autodesk file which grew exponential when opened.

Before we can clean up used storage space, we will make sure that there are no retention policies applied to the SharePoint Sites. Keep in mind that the retained files also count towards the storage limit.

  • Open the SharePoint Admin Center
  • Click on Sites > Active sites
  • Sort the sites on Storage Used
  • Select one of the top sites and check if a retention policy is applied:
SharePoint retention policy applied

If a retention policy is applied you will have to see if you can remove the policy or lower the preservation time.

Sharepoint Storage Metrics

I have noticed that there is a difference in the used storage between the listed storage in the SharePoint Admin Center and the actual SharePoint Storage Metrics of the site’s self. As you can see in the example below there can be a huge difference between the two.

So to find the amount of storage a site it using we can first look in the SharePoint Admin Center.

  1. Open the SharePoint Admin Center
  2. Select Sites > Active Sites
  3. Sort the sites on the Storage used (GB) column

As you can see in the screenshot below, the site “Lab 01” used 295GB of storage. Now this number is the actual storage used but the site.

Sharepoint storage report

If we look at the Storage Metrics of the site self we can get completely different numbers.

  1. Open the site self
  2. Select Site Content
  3. Select Settings Settings
SharePoint site settigs
  1. Choose Storage Metrics
SharePoint Storage Metrics location

You will see a report on the used storage space of each document library. The screenshot below is from the exact same site, Lab 01. If we sum up the top 8 items then the total amount used is 16.7 GB. So where has the other 278 GB gone to?

SharePoint storage metrics

The other 278 GB of data is in the first and second stage recycle bins. Now in the new SharePoint design, you can’t see the file size in the recycle bin, but if you click on the classic view (lower left corner) then you can sort on the file size in the recycle bin.

So before we are expanding our SharePoint storage, we first start with cleaning up some of the largest items from the recycle bins.

Manually select the largest files in the recycle bin and remove them. Do the same for the second-stage recycle bin.

Next, it will take up to 24 hours before the data is actually purged, and before you can see the results in the SharePoint Admin Center. Keep in mind that you can’t restore the files anymore when you delete the files from the recycle bins.

Microsoft keeps a 14-day backup, but restoring from that will require a couple of days and there is no guarantee on success.

Data recovery is your own responsibility and Microsoft recommends using a third-party backup solution to protect your data. Read more about it here in this article.

Adding Office 365 Extra File Storage

The other option is to buy additional storage space. This is the easiest option to go for, but it can get expensive with $0.20 per GB per month.

  1. Open the Admin Center
  2. Select Billing > Purchase services
  3. At the bottom of the page, select Add-ons.
  4. Select Office 365 Extra File Storage.
  5. Choose the amount of storage and check out

Now comes the part most people forget, you have bought the storage, but you will have to manually assign it.

  1. Go back to the Admin Center
  2. Choose Billing > Your Products
  3. Select View associated Addons of the subscription that contains the extra storage:
SharePoint add storage space
  1. Click on Change Quantity
SharePoint Online assign additional storage space
  1. Enter the amount of storage that you want to add and click Submit
SharePoint adding storage

Conclusion

The amount of SharePoint storage depend on how many licenses you have. For most organisation, the 1TB should be enough. And you can always extend the storage for a fair price.

Keep in mind that your SharePoint sites will go into read-only mode when your storage is full. So regulary check the storage / usage reports in the admin center.

The following article can be interesting for you as well:

  1. https://docs.microsoft.com/en-us/office365/servicedescriptions/onedrive-for-business-service-description

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