.IMM to .EML conversion could be easily done with MailMigra for Incredimail tool. This program does conversion of emails from .IMM to .EML with all email items such as formatting, attachments and metadata information. Convert .IMM to .EML in all eml based application such as Thunderbird, Windows Vista Mail, Windows Live Mail, Outlook Express, etc. In any Windows OS you can use .IMM to .EML. Import .IMM to .EML only you are satisfy with the program, we suggest that you try the demo version of the software first then purchase the license key of .IMM to .EML Converter.