CNT File Extension

CNT file extension is created by Microsoft, also known as Help Contents File. CNT has been classified as System Files. You can open and render the contents of this file in a Text Editor. You can open CNT files in Microsoft HTML Help Workshop program.

Help Contents File Type

What is a CNT File Type?

CNT files can be created with Microsoft Help Workshop, an old program to create documentation. Old Help Documents can be updated to the new HTML Help Workshop format (.HHC files) using HTML Help Workshop.

Do not open unknown CNT files, because there is a known security problem that exploits a buffer overflow allowing l' malicious code execution on the computer.

Free online CNT Tools & Apps

We have also the free online .CNT (Help Contents File) file extension apps that can allow to view, edit, convert from to CNT, merge, split and compare the CNT files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.

CNT Converter

Open CNT

Edit CNT

Compare CNT Files

Merge CNT Files

Split CNT Files

CNT Metadata Viewer

CNT Files Common Issues

There are few common issues with the Help Contents File .CNT File Extensions while opening the .CNT files on Windows and MacOs, we have solution to those issues such as:

Can't Open CNT Files?

1. You must have supported software programs installed for Help Contents File on your system such as Microsoft HTML Help Workshop.
2. Associate default Microsoft Microsoft HTML Help Workshop program for *.cnt (Help Contents File) files.
   
   

   Associate CNT Default Program on Windows

   1. Right-click a *.CNT (e.g example.cnt) file and click Open With.
   2. In the Open with dialog box, click Microsoft Microsoft HTML Help Workshop program Or click Browse to locate the program (*.exe) that you want.
   3. Select check box for Always use this app to open .cnt files.
   
   

Related CNT File Extensions

CNT default file extension is .CNT and other similer related extensions are:

All Platform Software Programs for CNT File Extension

List of all softwares that can open the CNT files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Open CNT File on Windows

	Software	License	Developer
	Microsoft HTML Help Workshop 000 for Windows	Free	Microsoft

Open CNT File on Mac OS

Open CNT file on Linux

Open CNT file on Web

Open CNT file on iOS

Open CNT file on Android

About Licensing

1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
3. Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

About CNT - Help Contents File

Listed file converters are from the wide range of online file converter.

These are the most polular file/document converters based on the user's review and usage on the FileProInfo.