I suggest you use eSoftTools EML to Thunderbird MBOX converter software. This software makes you able to easily import emails from single or multiple EML files into Thunderbird profiles and MBOX files. Save each EML folder as a separate MBOX as well as import EML folders to Thunderbird. Swiftly convert EML files of all email clients such as Windows Live Mail, Outlook Express, and others. Download this software and get many more functions and features.

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