If you are seeking information about file extensions, then you are in the right place at the right time.

Details of extension .tcl

On this page, we're going to take a closer look at the .tcl file extension.

We'll explain what exactly a .tcl file format is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .tcl files into different formats, we'll give you some tips on how to do that too.

Let's see the 2 file formats associated with this file extension!


  1. TCL Script
  2. TextPad Clip Library

We trust that our website will provide valuable information for you. If you have any questions, just ask!

TCL Script

tcl file - TCL Script
The TCL file belongs to the Development category and works with ActiveTCL, being used as a TCL Script. TCL (Tool Command Language) is a scripting language created by John Ousterhout. Tcl has a very simple syntax which is applied in a consistent way. The developer is still actively supporting the ActiveTCL, likely. Our data shows that ActiveTCL uses 2 more file types.
Application: ActiveTCL
Program name: -
Category: Development files
Mime-type: text/x-tcl
Related extensions:
.ephtml Enhanced Perl-parsed HTML
.pm Perl Module
.tk Tk Script
.phpt PHP Test Suite Script

TextPad Clip Library

tcl file - TextPad Clip Library
The TCL file belongs to the Data category and works with TextPad, being used as a TextPad Clip Library. TextPad is a text editor for the Microsoft Windows family of operating systems. The developer is still actively supporting the TextPad, likely. Our data shows that TextPad uses 3 more file types.
Application: TextPad
Program name: -
Category: Data files
Mime-type: application/octet-stream
Related extensions:
.syn TextPad Syntax File
.tpm TextPad Macro Data
.syn Synthetic Universe Image
.tws TextPad Workspace

The .tcl file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .tcl extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .tcl file extension wrong?

In our database, we came across the following similar extensions:

.tvl Intuit TurboTax TVL Data
.tco MSX C Temporary Code
.tci MityDSP-L138 Memory Modules Cache
.cl OpenCL Kernel
.tlc TINA Logic Converter Data
.tdl Train Depot Track Designer Data

The .tcl extension is frequently misused

People sometimes confuse the .tcl filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

tvl (1), tco (1), tci (1), cl (1), tlc (1), tdl (1), txl (1), tc (1), gcl (1), tck (1)

Having trouble opening a .tcl file?

If you want to open a .tcl file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .tcl association can trigger this error.

Windows can't open this file:

File: example.tcl

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program with which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android