SharePoint Online: How to Convert Classic Sites to Modern Sites?

Requirement: Convert SharePoint Online site from classic to modern.

How to change the classic site to a modern one in SharePoint Online?

Are you looking to modernize your classic SharePoint Online site? SharePoint Modern experience has many advantages compared with classic, like better user experience, faster page loading, responsive design, etc. Several methods are available to switch from the classic to the modern experience in SharePoint Online. This blog post will show you how to convert a classic SharePoint Online site into a modern site.

Connect SharePoint Online Classic Site to Office 365 Group

We can change SharePoint online site from classic to modern by connecting it to Office 365 group. Here is how:

  1. Navigate to your SharePoint Online classic site >> Click on Settings gear >> Choose “Connect to a new Office 365 Group” from the settings menu.
    sharepoint online change site from classic to modern
  2. This invokes a wizard to connect the team site to the Office 365 group. Click on the “Let’s get Started” button. sharepoint online convert classic team site to modern
  3. You’ll be presented with the New O365 Group properties page. You can update the group name and email alias, select the group’s privacy and then click on “Connect Group”.
    sharepoint online switch from classic to modern
  4. In the “Add and assign people” page, SharePoint automatically adds owners and members, based on your existing site. You can add new owners and members, or remove people from the proposed.
    upgrade sharepoint online classic site to modern
  5. Click Finish when you’re done.

This wizard changes the site from classic to modern, copies the “Home.aspx” to “Home(1).aspx”, converts it to a modern page, and sets it as the Home page. You may have to rename it – to make it neat! Connecting team sites to Office 365 groups using PowerShell is explained in my other article: How to Connect SharePoint Site to Office 365 Group?

Other Options to upgrade SharePoint Online classic site to Modern


Converting classic SharePoint sites to modern sites in SharePoint Online can bring many benefits to your organization, such as improved collaboration, better user experience, and access to new features. The process of converting sites is relatively simple, and can be done by connecting a classic site to a Microsoft 365 Group. It’s important to note that not all features and customizations that are present in classic sites are supported in modern sites, so it’s important to check the compatibility before migrating.

How to replace a classic root site in SharePoint Online with a modern site?

To replace the root site in SharePoint Online, we can navigate to the SharePoint Admin Center and select the root site. Then we can choose to replace the site from the top ribbon and enter the URL of the new site we want to use as the root site. The new site must be within the same domain as the current root site. Once we have entered the URL of the new site, we can click on Replace to replace the root site. We can also use PowerShell to replace the root site using the Invoke-SPOSiteSwap cmdlet. More here: How to

Salaudeen Rajack

Salaudeen Rajack - Information Technology Expert with Two-decades of hands-on experience, specializing in SharePoint, PowerShell, Microsoft 365, and related products. He has held various positions including SharePoint Architect, Administrator, Developer and consultant, has helped many organizations to implement and optimize SharePoint solutions. Known for his deep technical expertise, He's passionate about sharing the knowledge and insights to help others, through the real-world articles!

One thought on “SharePoint Online: How to Convert Classic Sites to Modern Sites?

  • I must say, your blog post on transitioning from the classic to modern SharePoint experience is an excellent guide for anyone seeking to harness the full potential of SharePoint Online. Your step-by-step approach and insightful explanations make the process seem like a breeze.


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