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XMI File Format

Compressed midi music (eXtended)

XMI is a compressed file format created by XMill. XMI files are XML files, which usually contain metadata information, which have been compressed. XMI stands for “XML Metadata Interchange.” While .XML files tend to be very large, the compression used by XMill into .XMI files will make the files around half the size of other compression techniques. XMI files can be decompressed using XMill or similar XML compression software.

MIME: application/xmill, application/x-xmill

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This was last updated in September 2010
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the phpuml command generates a xmi file from existing code which can then be loaded into certain UML editors to create class diagrams. Visual studio may also use it. I found a program called Umbrello which is able to load xmi version 1.



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