All about MQC Files

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

MQC	File extension: MQC
	File type:	Disk Drive Information File

What is an MQC file?

MQC 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 can I open an MQC file?

You need a suitable software like CP/M to open an MQC file. You need a suitable software like CP/M to open an MQC 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 MQC file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a MQC file directly in the browser:. Just drag the file onto this browser window and drop it.

Online MQC Text Viewer

Choose your .mqc file to analyze

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Online File Viewer

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.MQC File Won't Open? Here is What You Can Do

MQC files can originate from different programs and aren't universally openable.

Identify the Source: If you work with vintage computing, it may be a CP/M Disk Drive Information File. Otherwise, it might be a proprietary data file from a specialized workflow.
Check the Header: Open the file in a text editor or hex viewer to inspect the first few bytes:
- Readable text or parameters often indicate a configuration file.
- "PK" means it's a standard ZIP archive.
- Unreadable binary data suggests a compiled system file.
Use the Original Software: You usually need the original program to open it properly. Try CP/M emulators or vintage disk tools. If uncertain, ask the sender.
Use this Webpage: Drag and drop your .MQC file onto this webpage to automatically detect its format, extract readable text, and preview its contents.

Technical Data for MQC File Extension

Related files:

aqm, tzt, cq

an mqc Disk Drive Information File is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with MQC files

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