Extension	File Type Developer	File Category	File Type Description	Software	Software Developer
.MBX	Microsoft Corporation	Data Files	Outlook Express Mailbox	Microsoft Outlook Express	Microsoft Corporation
.MIM	Internet Engineering Task Force	Encoded Files	Multi-Purpose Internet Mail Message File	Microsoft Outlook Express	Microsoft Corporation
.MIME	Various Developers	Encoded Files	Multi-Purpose Internet Mail Extension	Microsoft Outlook Express	Microsoft Corporation
.MSG	Microsoft Corporation	Text Files	Saved Email Message	Microsoft Outlook Express	Microsoft Corporation

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