CLT File Type

- The quick facts

What are CLT files and how to open them

Are you having problems opening a CLT file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a CLT file?

Files that contain the .clt file extension are most commonly associated with the Visual Basic application development software.

The CLT files that are created with this software contain an ActiveX control that has been created with the Visual Basic program, saving the control in a plain text format. The ActiveX controls can then be downloaded and executed by the user's Internet browser.

The CLT files that are created by Visual Basic contain the source code and the properties for the ActiveX control.

The dBASE IV Aldus software program has also been known to use the .clt file suffix. These CLT files contain setup control files that are referenced by the dBASE software.

How to open CLT files

Important: Different programs may use files with the CLT file extension for different purposes, so unless you are sure which format your CLT file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different CLT openers which you will find listed below.

Last updated: December 27, 2019

Suggest another file format using extension CLT

While we know of one file format using the .CLT file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .CLT file.

Various apps that use files with this extension

These apps are known to open certain types of CLT files. Remember, different programs may use CLT files for different purposes, so you may need to try out a few of them to be able to open your specific file.