QCOW3 File

Did your computer fail to open a QCOW3 file? We explain what they are used for and recommend software that we know can open or otherwise handle your .QCOW3 files.

What is a QCOW3 file?

A .QCOW3 file is a QCOW3 disk image file. Through our analysis of QCOW3 files, we know that one use of the format is QCOW3 disk image. 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 yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Suggest another file format using extension QCOW3

While we know of one file format using the .QCOW3 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 .QCOW3 file.