There are 4 other file types using
the CNT file extension!

cnt file icon.cnt - Rational Rose 98 contents tab file

cnt file icon.cnt - ENVI PPI count file

cnt file icon.cnt - Hidden & Dangerous game file

cnt file icon.cnt - 602Pro PC Suite macro file

Bookmark & share this page with others:

CNT file extension - Help Contents file

What is cnt file? How to open cnt files?

File type specification:

Document file type icon Document file type

Email attachment blocked file type icon Email attachment blocked file type

cnt file icon: cnt filetype icon

The cnt file extension is related to Help Contents files.

The *.cnt files are help files used by Windows and contain topics relevant to a certain Help document. They may have been created by Microsoft Help Workshop, a program for developing help documentation.

Also There is a known security issue with .cnt files that allows them to be exploited, causing a stack-based buffer overflow, which can be used to run malicious codes Its is imperative that you do not open unknown .cnt files.

The default software associated to cnt file type:

Microsoft Windows Help icon

Microsoft Corporation logo Microsoft Windows Help  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Windows Help is used to create help files for Microsoft Windows operating system and other Microsoft applications. Windows Help SDKs are different for every version of Windows it can be called Windows Help, Help and Support Center, Assistance Platform 1.0 Client - Windows Vista Help SDK, Microsoft Windows: HTML Help 1.4 etc.

Microsoft Windows icon

Microsoft Corporation logo Microsoft Windows  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Windows is a family of operating systems developed by the Microsoft Corp.. The first Windows was released in 1985 as a GUI add-on to MS-DOS.  MS-DOS based Windows versions were developed to 2000, when was released the last version called Windows ME. Windows based on NT core started in 1993. Windows NT family are developed to these days, the latest version is called Windows 10.

Help how to open CNT files:

Use WinHelp or RoboHelp to work with the *.cnt files.

How to convert file with extension CNT:

Adobe RoboHelp is may be able to export *.cnt files to other file formats.

Find converter to cnt file type:

glo to cnt

Related links:

Windows Help program (WinHlp32.exe) for Windows 7

HTML Help Workshop and Documentation

List of software applications associated to the .cnt file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open cnt file, edit cnt file, convert cnt file, view cnt file, play cnt 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 of the cnt files.

  • Open cnt file
  • View cnt file
  • Create cnt file
  • Others cnt file

Software that open cnt file - Help Contents file

Click on the link to get more information about listed programs for open cnt file action.

Microsoft Windows:

Main software associated with cnt file by default:
Microsoft Windows Help small icon Microsoft Windows Help
Other suggested software:
Adobe RoboHelp small icon Adobe RoboHelp

Previous file extension
CNS file extension > Document file types

Next file extension
file extension COD


Follow us!

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

RSS feed