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MIDI file extension

The table below provides useful information about the .midi file extension. It answers questions such as:

  • What is the .midi file?
  • What program do I need to open a .midi file?
  • How can the .midi file be opened, edited or printed?
  • How can I convert .midi files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

✅ MIDI Music

MIDI files contain one or more MIDI streams, with time information for each event. Song, sequence, and track structures, tempo and time signature information, are all supported.
Category: Audio files
Application: Windows Media Player
Mime-type: audio/midi
Magic number: -
Magic string: -
Sample: -
MID aliases:
mdi, midi, rmi
MID related links:
MID related extensions:
Audio Interchange File

Velvet Studio Music Module

X-Tracker Music Module

Encore Notation Data

Farandole Composer Music Module

Impulse Tracker Music Module

Lyrics Data

OctaMED Music Module

MPEG Audio Layer 3 File

MultiTracker Music Module

Other types of files may also use the .midi file extension.

🚫 The .midi file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

idi, mdi, mid, mii, modi

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

MIDI Music
MapInfo Interchange Format Data
I-DEAS Document
DB/TextWorks Last-used Settings
Microsoft Document Imaging File
Nintendo Wii Virtual Avatar

🔴 Can't open a .midi file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .midi file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .midi file extension, write to us!

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