【转载】Powershell获取世纪互联Office365所有用户最后一次登录时间

 #$Mails=get-mailbox -ResultSize 10
 $Mails=get-mailbox -ResultSize Unlimited
 $Mails | Measure-Object

 $i=0

 foreach ($Mail in $Mails)
 {
 $i=$i+1
 $mailbox=Get-MailboxStatistics $Mail.UserPrincipalName
 $content=-join($i,"`t",$Mail.UserPrincipalName,"`t",$mailbox.LastLogonTime)
 #echo $content
 $contents=-join($contents,$content,"`n")
 }

 Start-Transcript -path .\Office365LastLogon.csv -Append -Force
 $contents
 Stop-Transcript 

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