If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .b4s

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

Below, you can find answers to the following questions:

  • What is the .b4s file?
  • Which program can create the .b4s file?
  • Where can you find a description of the .b4s format?
  • What can convert .b4s files to a different format?
  • Which MIME-type is associated with the .b4s extension?
WinAMP 3 Playlist .b4s file icon

WinAMP 3 Playlist

The B4S file is a WinAMP 3 Playlist.
Category: Multimedia files
Application: WinAMP
Program name: winamp.exe
Mime-type: application/x-winamp
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
.vp5 CrystalPlayer Video
.q1 WinAMP Equalizer Presets
.eqf WinAMP Equalizer Preset
.lng WinAMP Language Data
.q2 WinAMP Equalizer Auto-load Presets

Other types of files may also use the .b4s file extension. If you have helpful information about .b4s extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

.bs4 Mikogo Recorded Session
.bts Blaise Specification
.bes Bitter End MOBY POS Database
.b4 VTrain Data File
.bs Infinity Engine Script
.brs Batchrun Batch

The .b4s filename extension is often given incorrectly!

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

bts (1), bs (1), bes (1), v4s (1), bs4 (1), brs (1)

Can't open a .b4s file?

If you want to open a .b4s file on your computer, you just need to have the appropriate program installed. If the .b4s association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.b4s

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android