Import .IMM files to Outlook - Version 5.0 IncrediMail has one disadvantage, it does not allows user to convert or move IMM files into some another email format, so the user has to take help from a third party utility to Import .IMM files to Outlook. In that case you can go with IncrediMail to Outlook Converter tool, which has very easy process to Import .IMM files to Outlook along with all IMM header (to, Bcc, Cc, from), subject, sent and received emails, attachments, images, and formatting elements. The Software supports entire Microsoft Outlook version (Outlook 2000, 2005, 2007, 2003, 2010, etc) to Import .IMM files to Outlook. The software offers you trial version that gives you ability to transfer 10 IMM files into Outlook format or you can buy full version of software at $69 to import unlimited IMM files into Outlook.