If you want to open JPEG-XL image files on Windows 11, install the JPEG XL Image Extension from Microsoft to enable JPEG-XL ...

All you need to do is download JPEG XL Image Extension from the Microsoft Store ... ve downloaded and installed the extension, you can start viewing and saving image files with the .jxl extension ...

Microsoft has added support for the JPEG XL image format to Windows 11 24H2 by making the JPEG XL Image Extension available on the Microsoft Store. Users can install this extension to view JPEG XL ...