CQ file format description

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

2 filename extension(s) found in our database.

.cq - CQUAL Configuration

The CQ configuration files are related to CQUAL. The CQ file is a CQUAL Configuration. CQUAL is a type-based analysis tool that provides a lightweight, practical mechanism for specifying and checking properties of C programs.

Configuration files
- / -
CQUAL Configuration related extensions:
ControllerMate Data
WinRun4J Settings
Avid Media Composer Settings
SnagIt Profile Data
SmartConfig Configuration Data
Wondershare SurveyCreator Data

.cq - CP/M SYSGEN Replacement Data

The CQ data files are related to CP/M. The CQ file is a CP/M SYSGEN Replacement Data. SYStem GENeration (SYSGEN) is a utility that enables an operating system to configure hardware and software setups properly.

Data files
- / -
CP/M SYSGEN Replacement Data related extensions:
KMD Animated Model
Xilisoft Mobile Phone Manager Phonebook Data
MXwendler Packed Shader Data
Inno Setup Component Definitions Data
Avid Pro Tools Analysis Data
Verge Source Code

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

Can't open a .cq 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 .cq file extension is often given incorrectly!

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

fq, qc, sq, xq

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Sony Playstation 2 SCEI Sequence
XQuery Language Source Code
FASTQ Sequence
QuakeC Source Code
Half-Life Model Compiler Script
Sysquake SQ Application

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 .cq file format, then write to us!

DataTypes.net >> CQ file