All about CQ Files

The CQ file type is primarily associated with CP/M.

CQ	File extension: CQ
	File type:	SYSGEN Replacement

What is a CQ file?

CQ files mostly belong to CP/M. CDC versions of CP/M used files of this type. Generally they came on eight-inch floppy disks.

How to open CQ files

You need a suitable software like CP/M to open a CQ file. You need a suitable software like CP/M to open a CQ file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your CQ file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CQ file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CQ Text Viewer

Choose your .cq file to analyze

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

What to Do When a .CQ File Fails to Open

Because .CQ files originate from various programs, they aren't universally openable.

Identify the Source: It may come from vintage computing enthusiasts managing CP/M systems, or amateur radio operators, suggesting specialized legacy tools.
Check the Header: Inspect the first bytes in a text or hex editor:
- Readable text suggests a log or configuration file.
- Unreadable binary data may indicate a compiled system file or archive.
Use the Original Software: You usually need the original program, such as CP/M (for SYSGEN Replacement) or CQ Log; if uncertain, ask the sender.
Use this Webpage: Drag and drop your .CQ file into our viewer to detect its format, extract readable text or metadata, and preview contents when possible.

Technical Data for CQ File Extension

Related files:

qc, zip, aqm, azm, dqc

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: VNTIMedLineLnk
EXEFile: %ProgramFiles%\Informax\Vector NTI Suite 9\Citation Viewer.exe

ProgramID: VNTIMedLineLnk
EXEFile: %ProgramFiles%\Invitrogen\Vector NTI Advance 10\Citation Viewer.exe

a cq SYSGEN Replacement is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with CQ files

Associate the CQ file extension with the correct application.
Update your software that should actually open sysgen replacements. Because only the current version supports the latest CQ file format. Search, therefore, e.g. on the manufacturer website after an available CP/M update.
To make sure that your CQ file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .CQ file online - secure, fast, and no downloads needed.