Exchange Mailbox Statistics

Get size, date or FolderId for folders in an Exchange Mailbox.

Get-MailboxFolderStatistics -Identity <mailbox-identity>

Export Results to a CSV

Get-MailboxFolderStatistics -Identity <mailbox-identity> | Export-Csv <path-to-csv>

 

To make the information easier to read, pipe it to the Format-Table command and specify which columns to view.

ft Name,FolderPath,LastModifiedTime,FolderType,FolderSize

 

Microsoft Documentation