怎樣back up microsoft outlook file NOT outlook.

Where Outlook Stores Your Mail, Calendar and Other DataTo identify the folder where Outlook 2003 stores your email messages and other data:
Select File | Data File Management... from the menu.Highlight your main data file (typically named Personal Folders).Click Open Folder....To identify the folder where Outlook 2002 and earlier store your data:
Click with the right mouse button on Outlook Today either in the Outlook bar or in the folder list.Select Properties from the pop-up menu.Select Advanced....Notice the path listed under Path:.Select the path excluding the file name (usually this will be "outlook.pst") with your mouse.Press Ctrl-C to copy the path.If, for example, the path listed under Path: is "C:\Documents andSettings\email.guide\ApplicationData\Microsoft\Outlook\outlook.pst", you'd select and copy"C:\Documents and Settings\email.guide\ApplicationData\Microsoft\Outlook\".Now select Run... from the Start menu.Press Ctrl-V to paste the pathHit Enter to open your Outlook data folder in Windows Explorer.
Back Up or Copy Your Outlook Mail, Contacts and Other DataTo create a copy of your mail, contacts, calendar and other data in Outlook for backup or copying:
Go to your Outlook folder in Windows Explorer.Highlight all files ending in ".pst".Make sure in particular your selection includes "outlook.pst" and "archive.pst".Select Edit | Copy from the menu to copy them.Open the folder where you want to put your backup copies in Windows Explorer.Ideally, this will be on another computer, on a removable diskstored far away from your home, somewhere on the Internet, or at leaston a different hard disk.Select Edit | Paste from the menu to paste your .pst files to the backup locationRestore from Your Outlook BackupYour backup copy of Outlook data is now in place, ready to be restored when you need it.

其實我唔係用microsoft outlook 我是用outlook express唔知相唔相同，我不知你所講 microsoft outlook file 同 outlook file有什麼唔同。寫清楚D