>> 4FS file

4FS file format description

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

1 filename extension(s) found in our database.

.2fs - Puppy Linux Save State File

The 2FS other files are related to Puppy Linux. The 2FS file is a Puppy Linux Save State File.

Puppy Linux
Other files
- / -
3fs, 4fs
Puppy Linux Save State File related extensions:
Finalburn Alpha Movie Capture

Naturally, other applications may also use the .4fs file extension. Even harmful programs can create .4fs files. Be especially cautious with .4fs files coming from an unknown source!

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 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 .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?

Similar file extensions in our database:

FlexiSign Document
Forth Source Code
Samsung RFS Image
F# Implementation
Edinburgh Instruments FLS1000 Data
SQ-80 Sample

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 .4fs file format, then write to us!