Item count from the Get-MailboxStatistics cmdlet shows more items than the Get-MailboxFolderStatistics cmdlet in Exchange Online
Consider the following scenario.
- When you run the Get-MailboxFolderStatistics cmdlet on a mailbox, the number of items in each returned folder may not equal the total item count that's returned by the Get-MailboxStatistics cmdlet. The Get-MailboxStatistics cmdlet shows more items than the number that's returned by the Get-MailboxFolderStatistics cmdlet.
- When you run an eDiscovery search on a mailbox, the item count that's returned by the estimate option or the export option may not match the item count that's returned by the Get-MailboxStatistics cmdlet.
There are some folders in a mailbox that are marked with a special Internal Access flag. These folders are reserved for Microsoft internal use and aren't visible to users or administrators in your organization. Although the folders aren't visible, the item counts of the folders are returned by the Get-MailboxStatistics cmdlet. This behavior is by design.
The Get-MailboxFolderStatistics cmdlet returns the aggregate count of folders that are visible to clients. Use the item counts in these folders to represent the total number of items that are visible to clients and to eDiscovery searches.
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Article ID: 3098973 - Last Review: 10/07/2015 18:52:00 - Revision: 2.0
Microsoft Exchange Online
- o365e o365m o365022013 o365 o365a KB3098973