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Informations about the CQT filename extension and the file formats associated with it

We collected the information you should know about the .cqt filename on this page. If you were sent a(n) .cqt file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.cqt - Mail.dat Container Quantity Data

The CQT file is a Data file, which is connected to the Mail.dat Container Quantity Data according to our registry. With the adequate settings, the Mail.dat Container Quantity Data (.cqt) files can be opened or converted with the help of PostalOne!.

Format description:
CQT format
Magic string:
- / -
Related links:
Related extensions:
Mail.dat Component File
Mail.dat Container Summary File
Mail.dat Header File
Mail.dat Information Access Key
Mail.dat International Container Label File
Mail.dat Manifest Individual File

Important! Programs other than the ones listed above may also use the .cqt file extension. Even harmful programs can create files with the .cqt extension to store data in them. Always be careful with .cqt files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .cqt file can’t be opened on your computer?

If the program necessary for opening the .cqt file is installed properly on your computer, then the quickest and simplest way to open the .cqt file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .cqt file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .cqt extension

The .cqt filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .cqt files.

cq, xqt, qct, cqf, sqt, ct

Maybe you’re not even looking for the .cqt file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .cqt extension. It’s possible that the one you’re looking for is among them.

CQUAL Configuration
SuperCalc Macro
Silicon Graphics Iris Cliptexture
Scitex Continuous Tone
TIFF Contone File
QuickTime Movie

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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