Make sure you select the proper option when importing an Outlook PST file into Windows Live Mail. For doing this you should take advantage of eSoftTools Outlook PST Recovery Software. Easily Convert PST emails to EMI files and easily open EML emails in Windows Live Mail. You can split large files into smaller files in a variety of formats. To Convert PST files and other file types for free users can try its demo version.
For more information:- Import Outlook PST file into Windows Live Mail