Exchange 2010 – List All Mailbox Sizes

Using the Exchange Management Shell, you can create a create a report of all mailboxes and list their size.

List all mailboxes in a database – Exchange Management Shell

The following command will list all mailboxes in the ‘MailDB1’ database:

Get-MailboxStatistics -Database 'MailDB1' | format-table DisplayName, TotalItemSize, TotalDeletedItemSize, Database, ServerName

List all mailboxes on a server – Exchange Management Shell

The following command will list all mailboxes on the ‘W2K8EXCH’ server:

Note, you need to use a server with the ‘Mailbox’ role.

Get-MailboxStatistics -Server W2K8EXCH | format-table DisplayName, TotalItemSize, TotalDeletedItemSize, Database, ServerName

MSExchange2010-MailboxSize1

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