>> 4TH file

4TH file format description

Many people share .4th files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .4th file can be edited, converted or printed with. On this page, we try to provide assistance for handling .4th files.

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!

According to the searches 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?

Similar file extensions in our database:

Ethnograph Document
Astrotite 200X Offline Data Repair File
Ether Source Code
ANSYS Results File
Therion Data
Vampire: The Masquerade - Bloodlines Game Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, 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!