How to access and restore deleted Items (Recoverable Items) in the Exchange Online Mailbox dumpster with the Microsoft Graph API and PowerShell
As the information on how to do this would cover multiple posts, I've bound this into a series of mini post docs in my GitHub Repo to try and make this subject a little easier to understand and hopefully navigate for most people.
The Binder index is https://gscales.github.io/Graph-Powershell-101-Binder/
The topics covered are
How you can access and search for items in the Deletions and Purges Folders and also how you can Export an item to an Eml from that folder
How you can Restore a Deleted Item back to the folder it was deleted from (using the Last Active Parent FolderId)
and the sample script is located