Open 4th file

Did your computer fail to open 4th file? We explain what 4th files are and recommend software that we know can open your 4th files.

What is 4th file?

Files with 4th extension are used by the Forth programming language as a source code data files.

4th file description

The 4th file extension is associated with the Forth programming language. The .4th file stores source code written in Forth.

Forth is a stack-based, extensible language without type-checking. It is probably best known for its "reverse Polish" (postfix) arithmetic notation, familiar to users of Hewlett-Packard calculators.

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What file extension actually is?

Simply put, file extensions are the characters after the dot in the file name, so for example filename.mp3 has file extension „mp3“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

Only original software

Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.