If I assine the password to pst then it allows the user to access old readed
mails
without assineing the password.

2003 Outlook security <2003 Outlook security@discussions.microsoft.com>
wrote:

If you assign a password to a PST, then Outlook won't be able to open
without you supplying the password for that PST, unless you have saved it in
the Windows password list,

"2003 Outlook security" <2003 Outlook security@discussions.microsoft.com>
wrote in message news:E05AA524-F271-49DD-B8DF-1850B113C50F@microsoft.com...

In addition to Brian's reply -

What exactly is in this mail profile? Are you using Exchange server? You
haven't given us much information to work with.