CQX file format description

Many people share .cqx files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cqx file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cqx files.

1 filename extension(s) found in our database.

.cqq - Cool Quiz Data

The CQQ data files are related to Cool Quiz. The CQQ file is a Cool Quiz Data. Cool Quiz is a quiz maker software for Microsoft Windows. The Cool Quiz seems to be no longer supported.

Cool Quiz
Data files
- / -
cqx, cqz
Cool Quiz Data related extensions:
Intuit TurboTax 2013 State Data
Apple iPhoto Detected Faces Data
TestPoint Test Data
Strater Scheme Data
Altium PCB Document
PDAStore Data Store

Naturally, other applications may also use the .cqx file extension. Even harmful programs can create .cqx files. Be especially cautious with .cqx files coming from an unknown source!

Can't open a .cqx file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .cqx file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cq, cqs, cqz, cx, qx, sqx, xqx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Quexal Source Code
Quex Input File
CQUAL Configuration
SQX Compressed Archive
CP/M SYSGEN Replacement Data
XQX Printer Stream Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .cqx file format, then write to us!

DataTypes.net >> CQX file