How to open MDI format with Office 2007

How to Open MDI (Microsoft Document Imaging) Format with Office 2007

When using Microsoft Office 2003 System Suite, you may see a printer named Microsoft Office Document Image Writer in your list of printers. In a situation such as when you don’t have access to a printer, but must print out some transient documents such as booking confirmation for concert, flight or train tickets, or receipt for online purchase, or you simply want to keep a soft copy of the documents in unmodifiable format so that the file can later be printed elsewhere, you can make sure of MS Office Document Image Writer by printing to this virtual printer which will subsequently create a file with .MDI extension.

MDI is a proprietary file format of Microsoft for storing raster images of scanned documents together with optional annotations or metadata, and can only be produced or read by certain Microsoft
software, such as Microsoft Office Document Imaging (MODI) module included in Microsoft Office 2003 and later. However, when you upgrade to Windows Vista and Office 2007, or bring the MDI files via USB flash drive or email to another computer with only Office 2007, you will encounter an error of “Windows cannot open this file”, and subsequently ask you to either let Windows to go online to look it up automatically, or manually select from a list of programs that are installed on computer.

The problem happens because “Microsoft Document Image Writer” feature is not installed by default when you run Office 2007 setup. So in order to open and view or print the MDI files with Office 2007 installed, try one of the following workaround or resolution.

Firstly, you can insert the file or drag and drop the MDI file into a OneNote page to view it instantly.

Second is a permanent solution, by installing Microsoft Document Imaging Writer and its corresponding support for the file format.

1. Go to Control Panel, select “Uninstall a program” link under Programs section.”
2. High Microsoft Office 2007 (it may show Ultimate, Enterprise, Professional, Small Business, Home and Student, etc).
3. Click on “Change” located on the navigation link near the top of the window.
4. Select “Add or Remove Features”, then click “Continue”.
5. Expand “Office Tools” section.
6. Click on the drop down list for “Microsoft Office Document Imaging” and select “Run all from My Computer”.
7. Click “Continue”.
8. Click “Close” when installation done.

A new virtual printer “Microsoft Office Document Imaging Writer” is created and allows you to print to MDI format (a TIFF variant). And from now onwards you should be able to open any MDI files by simply double click on them. If you still can’t, try to restart your computer.


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