How to open MI4 file extension?

The author of advice: Mr Brankiewicz

MI4 files are incessantly popular. However, a file name containing MI4 file extension is problematic for some of the users. They have problems with correct opening of a file with MI4 extension. However, it should be remembered that MI4 file extension can match one or more types of files. The most popular is NVidia PortalPlayer Firmware Update Format but if there are others, you will find information concerning them below.

So, it is worth looking close at the problem concerning MI4 files and search for its solution.

A list of programs supporting files types with MI4 extension can be found below. Applications are sorted according to appropriate operational systems and their popularity.

  • NVidia PortalPlayer Firmware Update Format

    .mi4 file extension


    OS Software
    Windows RockBox Utility RockBox Utility
    mi4code mi4code
    MAC OS Rockbox Utility Rockbox Utility
    Linux RockBox Utility RockBox Utility
    mi4code mi4code

How to check if a file we want to open is not infected by malware or viruses?

  • Download Malware/viruses removal tool from MI4 files in the Windows system.
  • Click “Start scanning” and wait until the programme performs the scanning process on your computer.

What are the reasons of errors concerning MI4 extension of files?

The problem that often causes damage concerning MI4 extension are Windows system registry errors. That is why, in the first place it is recommended to:

  • Scan computer in order to identify, repair and open the MI4 file
  • Check system registry from the angle of hidden errors
  • Repair file’s associations with programs in the system registry

If you are not sure if the above problems concern you, you should consider other frequent irregularities:

  • You do not have an appropriate application installed that supports MI4 file extension
  • MI4 file is corrupted
  • The application’s version necessary to open the file is not correct
  • The file is not assigned to an appropriate program

Solving problems with MI4 files


If MI4 file does not open, firstly, it is worth using files associations built in the Windows system with application that can support them. In order to do it, you should double-click a MI4 file icon. A list of programs that probably support such a file will appear. It is enough to choose one of them so that Windows would open a given extension with it. Incorrect file’s association will result in Windows trying to open MI4 file with a wrong program all the time even if there is an appropriate application supporting this format on a drive. In this case, it is necessary to perform the above mentioned registry scanning and associations’ repair.

If associations are correct and Windows still cannot open the file, most probably the computer does not have appropriate software supporting files with name containing MI4 in their extension. The solution to this problem is very simple. You should buy or download a free (if they exist) application that will allow you to open, browse and edit MI4 format (You can also try to find more informations on FileInfo). It is no risk because many paid programs have free test versions enabling to check their functionality.

Do you have extra information about a MI4 file? [ Add information about a MI4 file ]

GMMP file extension GROUP file extension

5 564

of file extensions

8 858

of file types

5 504

of applications opening the files

1 661

of producers