MG4 file extension
The table below provides useful information about the .mg4 file extension. It answers questions such as:
- What is the .mg4 file?
- What program do I need to open a .mg4 file?
- How can the .mg4 file be opened, edited or printed?
- How can I convert .mg4 files to another format?
Table of Contents
- ✅ Band-in-a-Box Song
- ✅ ZX Spectrum MultiArtist Image
- 🔄 .mg4 file converters
- 🚫 .mg4 file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 1 alias(es) found in database
✅ Band-in-a-Box Song

The MG4 file is a Band-in-a-Box Song. Band-in-a-Box is a MIDI music arranger software package for Windows and Mac OS produced by PG Music.
✅ ZX Spectrum MultiArtist Image

The MG1 file is a ZX Spectrum MultiArtist Image. The ZX Spectrum 48k is an 8-bit personal home computer released in the United Kingdom in 1982 by Sinclair Research.
Other types of files may also use the .mg4 file extension.
🚫 The .mg4 file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .mg4 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:
example.mg4
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 .mg4 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 .mg4 file extension, write to us!