A daily updated filename extension database!

3FS file extension

The table below provides useful information about the .3fs file extension. It answers questions such as:

  • What is the .3fs file?
  • What program do I need to open a .3fs file?
  • How can the .3fs file be opened, edited or printed?
  • How can I convert .3fs 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

Puppy Linux Save State File .2fs file icon
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 .3fs file extension.

🚫 The .3fs file extension is often given incorrectly!

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

3ds, 3es, 3fx, efs, f3s, fs, rfs, wfs

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

FlexiSign Document
SQ-80 Sample
Mac OS X Filesystem Plugin
Forth Source Code
Kryptel Filesets File
Samsung RFS Image
F# Implementation
EasyFlow Data
Autodesk 3D Studio Scene
RealFlow Script

🔴 Can't open a .3fs 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 .3fs 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 .3fs file extension, write to us!

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