4 File Type

- The quick facts

What are 4 files and how to open them

Are you having problems opening a 4 file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a 4 file?

Files that contain the .4 file extension are most commonly associated with the IBM Embedded ViaVoice speech recognition software program.

The IBM ViaVoice program is a language-specific speech recognition application that is used in embedded devices. The .4 files that are used by this application contain language-specific script data that is referenced by the software.

The .4 file extension is also used for music files that were played at the Olympic games that were held in Salt Lake City, Utah. These .4 files contain a track of music that was played during the course of the Salt Lake City Olympics.

How to open 4 files

Important: Different programs may use files with the 4 file extension for different purposes, so unless you are sure which format your 4 file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different 4 openers which you will find listed below.

Last updated: March 17, 2022

Suggest another file format using extension 4

While we know of one file format using the .4 file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .4 file.

Various apps that use files with this extension

These apps are known to open certain types of 4 files. Remember, different programs may use 4 files for different purposes, so you may need to try out a few of them to be able to open your specific file.