导出
GET-MAILBOX -organizationalunit "OU=IT,OU=山东分公司,DC=weiruan,DC=com" -resultsize unlimited | %{ new-mailboxexportrequest -mailbox $.name -filepath ( "\ex02\d$\" + ($.name)+".pst") }
导入
get-childitem \ex02\d$*.pst | select-object name,basename | %{new-mailboximportrequest -mailbox $.basename -filepath ( "\ex02\d$\" + $.name)}
按照OU批量导出用户邮件为PST格式 并导入
原文：http://blog.51cto.com/seawind/2333204
