File Extension Library

.SFS File Extension

  • Developer by: Squad
  • Category: Game Files

What is an .SFS file?

.SFS file extension is created by Squad. .SFS has been classified as Game Files.

.SFS is Kerbal Space Program Save File

File created by Kerbal Space Program (KSP), a game where players build and manage a space program; saves the state of the game as a file called persistent.sfs; allows the game to be resumed.Common SFS Filenames

persistent.sfs - The file in the saved game folder that stores the state of the game and allows the game to be resumed from the "Resume Saved" dialog.

List of all softwares that can open the Kerbal Space Program Save File
Squad Kerbal Space Program
Squad Kerbal Space Program
File Type 2:

Squashfs File Archive

Category: Compressed Files Format: Binary

Read-only archive format developed for Linux-based operating systems; often used for creating installer archives and software distributions; typically compressed using .GZIP compression.

SFS files are also used for installing updates on Navigon-based GPS devices.

NOTE: Some users have reported that 7-zip is unable to extract SFS files. If you're having trouble, uninstall 7-zip and install 7-zip 9.25 alpha. This version will open SFS files.

List of all softwares that can open the Squashfs File Archive
File Type 3:

SFX Sample File

Developer by: sfxr Category: Audio Files Format: Binary

File created by sfxr, a program used to make sound effects; stores sound settings such as the attack time, sustain time, frequencies, cutoffs, and filters; can be used for making video game sound effects.

SFS files can be exported to .WAV files in the software.

NOTE: There exists a Mac version of sfxr that is called cfxr ("Cocoa sfxr"). However, cfxr cannot open SFS files. It uses its own XML formatted .CFXR files.

List of all softwares that can open the SFX Sample File

How to Open .SFS file on different platforms

Open .SFS File on Windows

  • Right-click a .SFS
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .SFS file and Select check box "Always use this app to open .SFS files" Press "Ok"

Open .SFS File on Mac

  • Right-click (or Ctrl + Left-click) the .SFS file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .SFS File on Linux

Right click on the .SFS file, choose "Open with" and select a program from the list above

Open .SFS File on iPhone

Select a file. If you don't see an application to open the .SFS file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .SFS File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .SFS files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .SFS files

  1. You need to update the application that you normally use to open .SFS files. Only the latest version of the software supports the current .SFS file format
  2. You need to check the .SFS file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)