4TH file format description

Many people often share .4th files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .4th files. To address this issue, we have created this page to offer assistance and guidance on handling .4th files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .4th files.

Our aim is to simplify the process and promote seamless use of the .4th file format.

1 filename extension(s) found in our database.

.fs - Forth Source Code

The FS development files are related to Gforth. The FS file is a Forth Source Code. Forth is an imperative stack-based computer programming language and programming environment.

Development files
- / -
4th, f, forth, frt, fth
Forth Source Code related extensions:
Gforth Blocks File
Gforth Image File
Forth Source Code
Gforth Forth Stream Source Code

Naturally, other applications may also use the .4th file extension. Even harmful programs can create .4th files. Be especially cautious with .4th files coming from an unknown source!

Can't open a .4th file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .4th file extension is often given incorrectly!

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. By providing this list, we aim to assist users in finding the correct information more easily and improving their overall search experience on our site.

These misspellings were the most common in the past year:

eth, rth, th, tth

Is it possible that the filename extension is misspelled?

There is a possibility that the .4th filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .4th:

ANSYS Results File
Therion Data
Vampire: The Masquerade - Bloodlines Game Data
Astrotite 200X Offline Data Repair File
Ethnograph Document
Java JRE 1.3 Library

Operating systems

At DataTypes.net, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by DataTypes.net:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .4th file format, then write to us!

DataTypes.net >> 4TH file