.mdi file extension
- Microsoft Document Imaging image file.
Also known as an "MDI - Compressed Document Format" file.
This is a file generated as a result of printing to a "Microsoft Office Document Image Writer". This is a virtual printer which is installed with Microsoft Office (2003 and later). Printing to the Microsoft Office Document Image Writer (printer) will generate either a .mdi file or a .tiff file depending on how it is set-up.
The Microsoft Office Document Image Writer (printer) is an optional component of Microsoft Office.
The format of .mdi files is proprietary to Microsoft. However it is known that they contain a compressed image of the printed document and are based on the TIFF files. Microsoft Office should allow .mdi files to be opened and viewed.
For more information see:
- http://office.microsoft.com/en-us/help/about-microsoft-document-imaging-format-mdi-HP006219360.aspx - About Microsoft Document Imaging Format (MDI) - document from Microsoft.
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