1、Get-Mailbox

office365 get-mailbox -identity temp

2、现在让我们将上面的命令传递给Get-MailboxStatistics cmdlet。类型：

Get-Mailbox -Identity username | GET-MailboxStatistics

3、Get-Help Get-MailboxStatistics

4、Get-Mailbox -Identity username | Get-MailboxStatistics | fl

5、
Get-Mailbox -Identity Temp | Get-MailboxStatistics | Format-Table DisplayName, TotalItemSize, ItemCount -Autosize

6、
Get-Mailbox | Get-MailboxStatistics | Format-Table DisplayName, TotalItemSize, ItemCount -Autosize

7、
Get-Mailbox | Get-MailboxStatistics | Select DisplayName, TotalItemSize, ItemCount | Sort ItemCount -Descending

8、
Get-Mailbox -Identity Temp | Get-MailboxStatistics | Format-Table DisplayName, @{name=”TotalItemSize (GB)”;expression={[math]::Round((($_.TotalItemSize.Value.ToString()).Split(“(“)[1].Split(” “)[0].Replace(“,”,””)/1GB),2)}},ItemCount

9、

Get-Mailbox | Get-MailboxStatistics | Select-Object DisplayName, @{name=”TotalItemSize (GB)”;expression={[math]::Round((($_.TotalItemSize.Value.ToString()).Split(“(“)[1].Split(” “)[0].Replace(“,”,””)/1GB),2)}},ItemCount | Sort “TotalItemSize (GB)” -Descending

10、导出CSV
Get-Mailbox | Get-MailboxStatistics | Select-Object DisplayName, @{name="TotalItemSize (GB)";expression={[math]::Round((($_.TotalItemSize.Value.ToString()).Split(“(“)[1].Split(” “)[0].Replace(“,”,””)/1GB),2)}},ItemCount | Sort “TotalItemSize (GB)” -Descending | Export-CSV c:\temp\Office365-MailboxSize-Report.csv