Notes about the JQX file extension:
To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened
" (Windows 7) or "How do you want to open this file?
" (Windows 10) if you double-click the file. There click on "More apps"
and choose a suitable software to view such files on your PC or from email attachments.
The JQX file type is primarily associated with 'Windows Help Related File' by Microsoft Corporation. Typically seen in the form WIN_QS.JQX.
Detailed information for file extension JQX:
Primary association: Windows Help Related File
To change file associations press Windows Key
and then Apps and Features
> Default apps
> Choose default apps by file type
Invalid file associations could be the result of underlying issues within your Windows PC.