Forum Discussion
Storage location of quarantine message
https://m365admin.handsontek.net/microsoft-defender-for-office-365-quarantined-message-storage-in-hidden-system-folder-on-user-mailbox/ states that instead of quarantine messages being in a hosted r...
I checked with MFCMapi https://github.com/microsoft/mfcmapi
I guess it might these Folders. But as mentioned in the Article you can access the Folders but it looks like there are no Items inside...
Regards
Andres
Unfortunately, it's empty. The article also says that the user won't have access to these folders. If no one has access to them, I'm not sure what the point of moving their location and telling anyone about it was.