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B4S File

What are B4S files and how to open them

Are you having problems opening a B4S file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your B4S files.

What is a B4S file?

A .B4S file is a Winamp 3 Playlist file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open B4S files

Important: Different programs may use files with the B4S file extension for different purposes, so unless you are sure which format your B4S file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different B4S openers which you will find listed below.

Last updated: December 21, 2023

Various apps that use files with this extension

These apps are known to open certain types of B4S files. Remember, different programs may use B4S files for different purposes, so you may need to try out a few of them to be able to open your specific file.

VLC Media PlayerVLC Media PlayerVerified
Zoom PlayerZoom PlayerVerified
Ace PlayerAce PlayerUser submitted
Sigma media playerSigma media playerUser submitted
SqrSoft Advanced CrossfadingSqrSoft Advanced CrossfadingUser submitted
Torrent Video PlayerTorrent Video PlayerUser submitted
Nullsoft Winamp3Nullsoft Winamp3User submitted
MP3 Stream EditorMP3 Stream EditorUser submitted
KeyplayerKeyplayerUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about B4S file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.