How to open 4Q files

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

What is a 4Q file?

The 4Q file extension indicates to your device which app can open the file. However, different programs may use the 4Q file type for different types of data.

We are aware of 1 different use of the 4Q extension, which you can read more about below.

Quartet ST module

Through our analysis of 4Q files, we know that one use of the format is Quartet ST module. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!