If you want to migrate, export or convert corrupt and damaged MS Outlook PST files, then you can try this PST Converter Software.
This Outlook PST Converter is a professional tool with advanced features and supports conversion of encrypted and password protected Outlook PST files.
This tool is a user-friendly tool with easy and simple user interface so that even a non-technical person can easily out whole PST Conversion within a few clicks.
It allows the users to Convert Outlook PST to MBOX, Outlook PST to MSG, Outlook PST to DBX, Outlook PST to EML or Windows Live Mail.
Read more features and download free software from: http://www.convertertools.org/outlookpst
I do not want this migration quickly because every email is important for me.
Is it feasible?
For more details about manual conversion procedure, here:- Easy methods to export data from NSF to PST.
For more information visit here:http://www.filesrecoverytool.com/ost-to-pst-converter.html