An cqt file extension is related to the MAIL.DAT and used for its container quantity data files.

Detailed description

Software that open cqt file

Add comment

Bookmark & share this page with others:

CQT file extension - MAIL.DAT container quantity data

What is cqt file? How to open cqt files?

File type specification:

Various data file type icon Various data file type

The cqt file extension is associated with the MAIL.DAT, a set of files that contain detailed information about a presorted mailing accepted by United States Postal Service.

The cqt container stores quantity data.

The default software associated to open cqt file:

Mail.Dat  Microsoft Windows software

Company or developer:

The Mail.dat specification specifies a User License Code to accompany files for the purpose of uniquely identifying the sender through the postal supply chain. The Mail.dat specification, and the software infrastructure upon which it’s built, defines mail preparation today and is developed and maintained by IDEAlliance, a non-profit industry association, in cooperation with the United States Postal Service

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of software applications associated to the .cqt file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open cqt file, edit cqt file, convert cqt file, view cqt file, play cqt file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting cqt files.

Programs that can create cqt file - MAIL.DAT container quantity data

Programs supporting the exension cqt on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Mail.Dat for create cqt file action.

Microsoft Windows:

Previous file extension
CQS file extension > Various data file types

Next file extension
file extension CR


Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed