.MAU File Extension

Media Attachment Unit

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What is a MAU file?

An MAU file is an executable media file attachment. It contains a media file and is typically attached to emails. MAU files may be used to store malicious content so be sure to verify the sender of the file before opening it.

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Programs that open MAU files

Can open or run itself

Verified by FileInfo.com

The FileInfo.com team has independently researched the Media Attachment Unit file format and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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