Opening 4 files

Did your computer fail to open a 4 file? We explain what 4 files are and recommend software that we know can open or convert your 4 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.

Try a universal file viewer

In addition to the products listed above, I would suggest that you try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and very likely yours too! Download Free File Viewer.

By Prof. Jones (The File Expert)

Chief Content Editor and File Expert

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