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The classic site collections page was removed on 1/1/21 – Folks, have you noticed that we know more open the classic site collection page link from SharePoint Admin Center? Today when I logged into my trial tenant I could see the message – “This page was removed on 1/1/21. Learn where to find features from this page.” which means the Classic site collections page was removed on 1/1/21 from the SharePoint Admin center dashboard so after 1st January 2021 if we login into the SharePoint Admin center (globalsharepoint2020-admin.sharepoint.com/_layouts/15/online/AdminHome.aspx#/classicFeatures) dashboard we could see that no longer we can navigate to the classic site collection page, we can see the below message :

If we notice on the above page under the classic site collection page, the “Open” button is disabled.
Classic site collections page in SharePoint Admin Center
By default SharePoint, Admin center page is open in modern SharePoint view – which means if we want to create a site collection in SharePoint Admin Center that will be created in modern SharePoint, however, before 1st January 2021 if we wanted to create a classic site collection we had that option from SharePoint admin center page. To create a classic site, select Other options. Site address boxes appear after you begin entering a site name. Site address boxes appear after you begin entering a site name.
On the other hand, to create a modern site collection in the modern new SharePoint admin center, we need to go to the Active sites page, and then select Create.
What is Classic site collections page in SharePoint Online?
The Classic site collections page in SharePoint Online refers to the traditional interface and management area where administrators can manage site collections in SharePoint. It provides a familiar environment for those who have used previous versions of SharePoint. Here are some key aspects of the Classic site collections page:
- Management Interface: The Classic site collections page offers an interface for administrators to create, delete, and manage site collections. It includes options for configuring site collection settings, such as storage quotas, site collection administrators, and features.
- Site Collection Creation: Administrators can create new site collections using templates available in the Classic experience. This includes setting the primary site collection administrator and specifying the URL and template to be used.
- Storage and Resource Quotas: The Classic site collections page allows administrators to set and manage storage quotas and other resource limits for each site collection. This helps ensure that no single site collection consumes excessive resources.
- Feature Management: Administrators can activate or deactivate features at the site collection level. This includes features specific to the Classic experience, such as publishing features, content types, and workflows.
- Site Collection Administration: The page provides options for assigning site collection administrators, managing permissions, and configuring settings specific to each site collection.
- Backup and Restore: The Classic site collections page includes options for backing up and restoring site collections, providing a way to protect and recover data.
- Compatibility: Some organizations may still have dependencies on classic features and customizations that are not fully supported in the modern SharePoint experience. The Classic site collections page allows these organizations to continue managing their site collections using familiar tools and interfaces.
While Microsoft encourages the use of the modern SharePoint experience, the Classic site collections page remains available for those who need it for specific tasks or legacy compatibility. It is accessible from the SharePoint Online admin center and provides a comprehensive set of tools for managing site collections in the classic interface.
See Also: Microsoft 365 Roadmap Articles
You may also like the below Microsoft 365 Roadmap articles:
- New Feature: Manage how long guests can access SharePoint Online and OneDrive documents
- (Updated) New Feature: Cumulative analytics for SharePoint hubs in Office 365
- Reminder: SharePoint – Classic popularity reports to be retired – Office 365
- Retiring SharePoint 2010 Workflows from office 365 tenant – What should we do?
- How to turn on inline message translation in Microsoft Teams?
- Microsoft Teams: Teams Meeting support for 20,000 attendees
- Office 365: Cortana voice assistance in Teams mobile
- Set default page template in SharePoint online site (Microsoft 365 Roadmap ID 64529)
- Microsoft 365 roadmap