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Navigation: Home > MDI file

Informations about the MDI filename extension and the file formats associated with it

We collected the information you should know about the .mdi filename on this page. If you were sent a(n) .mdi file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

2 filename extension(s) are in our database

.mdi - Microsoft Document Imaging File

The MDI file is a Graphic file, which is connected to the Microsoft Document Imaging File according to our registry. With the adequate settings, the Microsoft Document Imaging File (.mdi) files can be opened or converted with the help of Microsoft Office Document Imaging.

Format description:
MDI format description not yet available
Microsoft Office Document Imaging
Magic string:
- / -
Related links:
Related extensions:
Calamus Vector Graphic
High Resolution Continuous-tone TIFF Image
Live Messenger Custom Emoticon Image
OpenEXR Image
Adobe Photoshop Brush File
C64 Hires-Interlace Image

.mid - MIDI Music

The MID file is a Audio file, which is connected to the MIDI Music according to our registry. With the adequate settings, the MIDI Music (.mid) files can be opened or converted with the help of Windows Media Player.

Format description:
MID format
Windows Media Player
Magic string:
- / -
mdi, midi, rmi
Related links:
Related extensions:
DVD Audio Object
Advanced Systems Format Media
Advanced Stream Redirector
Sony ATRAC3 Compressed Audio
Sun Audio File
Microsoft Video for Windows Movie

Important! Programs other than the ones listed above may also use the .mdi file extension. Even harmful programs can create files with the .mdi extension to store data in them. Always be careful with .mdi files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .mdi file can’t be opened on your computer?

If the program necessary for opening the .mdi file is installed properly on your computer, then the quickest and simplest way to open the .mdi file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .mdi file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .mdi extension

The .mdi filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .mdi files.

ndi, dmi, mwi, msi, mi, mdo, mdk, md, kdi, hdi, mxi, mvi, mid, mdu, mdl

Maybe you’re not even looking for the .mdi file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .mdi extension. It’s possible that the one you’re looking for is among them.

BYOND Dream Maker Icon File
CoCreate Document
Simulink Model
Mayura Draw Document
Maxwell Render Image
Autodesk AutoCAD Heidi Device Interface

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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