If we have multiple folders with the same name, let's be careful! We can also rename the folder before cleaning up.
We'll see the dropdown to choose a time range for cleanup: In the right pane, find the name of the folder we'd like to clean and choose the Empty link (5). In Settings window, choose General (3) and then Storage (4): Once we're signed in go to the gear icon (1) and click View all Outlook settings (2): The steps to use it are demonstrated below: Outlook Web Access provides an interface to remove all the emails folder by folder.
Follow Enable archive mailboxes in the compliance center if you don't have it PrerequisitesĮxchange Online ( and Exchange Server support some of the features) This blog post describes 6 ways to clean up Outlook mailbox in Exchange Online.