eDiscovery capability in Exchange Online: A large discrepancy exists between the estimated size and actual size of an in-place eDiscovery search of a users mailbox. The tool consistently estimates a much larger file size than what is actually produced. The conclusion is that the resulting file is missing data. In each case, Premier Support has recommended moving the users mailbox. Ticket numbers: 115102213294077, 115122113516279, 116011513591778