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4FS file extension

The table below provides useful information about the .4fs file extension. It answers questions such as:

  • What is the .4fs file?
  • What program do I need to open a .4fs file?
  • How can the .4fs file be opened, edited or printed?
  • How can I convert .4fs files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

✅ Puppy Linux Save State File

2FS file is a Puppy Linux Save State File.
Category: Other files
Application: Puppy Linux
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
2FS aliases:
3fs, 4fs
2FS related links:
2FS related extensions:

Other types of files may also use the .4fs file extension.

🚫 The .4fs file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

4cs, 4ds, efs, fs, rfs, tfs

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

F# Implementation
FlexiSign Document
Forth Source Code
Samsung RFS Image
AtariTools-800 Font Data
4D Database Data Segment
SQ-80 Sample
Borland Turbo Profiler Statistical Data
Kryptel Filesets File
RMCProfile Sulphur and Fluorine Data

🔴 Can't open a .4fs 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:


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 .4fs 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 .4fs file extension, write to us!

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