4CS file - How do I open a .4cs file?
The table below provides useful information about the .4cs file extension. It answers questions such as:
- What is the .4cs file?
- What program do I need to open a .4cs file?
- How can the .4cs file be opened, edited or printed?
- How can I convert .4cs files to another format?
Table of Contents
- ✅ AtariTools-800 Font Data
- 🔄 .4cs file converters
- 🚫 .4cs file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ AtariTools-800 Font Data

The 4CS file is an AtariTools-800 Font Data. AtariTools-800 is a Windows toolkit dedicated to ATARI 400/800/XL/XE/5200/XEGS, includes Char-Editor, Char-Animator, PM Editor, DL and GR Editor.
Other types of files may also use the .4cs file extension.
🚫 The .4cs file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .4cs 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 cannot open this file:
example.4cs
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .4cs file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .4cs file extension, write to us!