How to use Targeted Collections with Microsoft 365 Content Searches

Targeted collections are a method available to focus Microsoft 365 content searches on specific mailbox folders or folders in SharePoint Online and OneDrive for Business. In this article, we discuss how to retrieve the folder identifiers needed for a content query using the Recoverable Items folders as an example. Targeted collections are a great way to run ultra-precise content searches when you're looking for the proverbial pea in a haystack of mailboxes.

https://practical365.com/targeted-collection-content-search/