Microsoft

Outlook

outlook email file saved and named ---.pst (dot pst)

outlook 信件管理系統的信件檔通常是儲存為 .pst 的形式

if you still want to keep your email file::
do not forget to save the file 
before you delete all drive files
outlook>(F)file>(T)input output file>
seek .pst file>save to other drive

在刪除全部磁碟機前
如果你仍要保有信件資料
你就需要找出 .pst 檔案並儲存

Microsoft

Outlook

protection

安全性, 保護性

it is a helpful email tool

but you need to use it with the right way

or it is very often become a back door for hackers

安全性等級低或是非常低