Microsoft Search in classic sites

Richard Bourke, DonnaSteinwand,

This change will not impact any existing customizations in classic sites. Only classic team sites that do not have customized search experience will be updated to the modern Microsoft Search experiences.

When this feature is available, classic team sites that meet certain criteria will switch to using the Microsoft Search search box. As in modern sites, the search box will be at the top of the page in the suite navigation bar.

This feature will not affect or disrupt any team sites with:

• Classic publishing features turned on
• Custom result types
• Complex query rules on the default result source.

You can also opt out of this change by using below PowerShell command:

Set-PnPSearchSettings -Scope Site -SearchBoxInNavBar ModernOnly

Read more information at: Introducing Microsoft Search in classic SharePoint sites 

Microsoft documentation: Classic pages and Microsoft Search 

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