Microsoft Exchange Mailbox Size and Item CountYou may need to confirm a Mailbox size and the Item count for your organisation. This can be completed using the following command in Exchange Powershell –Get-MailboxDatabase | Get-MailboxStatistics | ft DisplayName,TotalItemSize,ItemCountHere is an example of the results – SUBSCRIBE! Thank you for subscribing! Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *CommentName * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.