Plan Cloud Hybrid Search For Sharepoint. Six basic steps are required to set up a hybrid search. You can search for on premises and SharePoint online content from one index in Office 365 and Office 365 ranks them in one result block.

When users enter a query in a search center they get search results from the Microsoft 365 search index and thus get results both from on-premises and Microsoft 365 content. The Cloud Search Service Application indexes on-premise content and transfers it encrypted from the server to the Office 365 search index. Mehrwerte für Ihre Firma mit Cloud Computing.
With the cloud hybrid search solution for SharePoint in Microsoft 365 you index all your crawled content including on-premises content in your search index in Office 365.
When users query your search index in Office 365 they get search results from both on-premises and Microsoft 365. In order to enable hybrid search youll need an on-premises SharePoint farm running supported SharePoint versions. When users enter a query in a search center they get search results from the Microsoft 365 search index and thus get results both from on-premises and Microsoft 365 content. When users query your search index in Office 365 they get search results from both on-premises and Microsoft 365.