All about Files with the .bz2 File Extension

.bz2 file extension – A description

Files with the .bz2 file extension are associated with a free and high-quality data compressor program, called Bzip2. This software is often found and used on UNIX systems. This tool uses the Burrow-Wheeler compression algorithm combined with Run-Length Encoding (RLE) for compression and provides a higher compression rate than other file formats.

As you can guess, .bz2 files come under the category of compressed files.

On Unix and Linux operating systems the.bz2 file format is commonly used to transfer large files over the Web. This feature of .bz2 files is exploited by authors of malware programs, who use this file extension to spread malware via e-mails. That is why if you receive an unsolicited e-mail with a .bz2 file attachment, you should not open the attachment before scanning it with your antimalware tool.

Which other applications are recorded to be associated with the .bz2 file extension?

Besides Bzip2, other applications that are recorded to be associated with the .bz2 file extension include:

  • Unknown Apple File
  • ZPoc Christian Music Networks

Which programs can be used to open a .bz2 file?

If you use Windows, you can use the following programs to open a .bz2 file:

  • Bzip2
  • Coral WinZip
  • PeaZip
  • WinRAR
  • StuffIt Deluxe 2010

If you use a Mac, you can use the following program to open a .bz2 file:

  • StuffIt Deluxe 2010

If you use a Linux operating system, you can use the following programs to open a .bz2 file:

  • Bzip2
  • Bunzip2

Command uncompress a bzip2 file using bunzip2 in Debian

Run the following command to uncompress a bzip2 file Debian, which is a free operating system with a Linux kernel:

bunzip2 filename.txt.bz2

Command to compress a file using bzip2 in Debian

Run the following command to compress a file using the bzip2 tool:

bzip2 filename.txt

In case you are unable to open a .bz2 file, or are receiving a file-type error when you attempt to open a .bz2 file, then you may use FileCure, a software that allows you to easily repair and then open various files with different file extensions, including .bz2 files.