Get-MailboxFolderStatistics username | select name, folderpath, @{Name="foldersize"; Expression= {$_.foldersize.tokb()}}, @{Name="FolderAndSubfolderSize"; Expression= {$_.FolderAndSubfolderSize.tokb()}} | Export-Csv -NoTypeInformation C:\Temp\user_foldersize.csv
Get-MailboxFolderStatistics username | select name, folderpath, foldersize, FolderAndSubfolderSize | Export-Csv -NoTypeInformation C:\Temp\user_foldersize.csv