BZ2 File Extension
Bzip2 Compressed Format
- File Type bz2
- Developer Julian Seward
- Popularity
- Application ALZip
- Category Compressed Files
- Format Binary
What is a BZ2 file?
Files with the BZ2 extension are specifically tied to Bzip2 Compressed Format, a Compressed Files type, and there are 820 files in this category.
The Bzip2 Compressed Format (BZ2), created by Julian Seward, is one of file format they developed, and they also built programs to support them.
BZ2 file support extends to various operating systems, including Linux, Windows and Mac OS, as well as mobile devices running Windows Phone. When working with BZ2 files, you can rely on 12 programs, including bzip2, PeaZip and WinArchiver.
MIME types
- application/x-stuffit
- application/octet-stream
- application/x-compressed
- application/x-tar
- application/bzip2
- application/x-bzip
- application/x-bz2
- application/x-bzip2
File Signature
HEX code: 42 5A 68. ASCII code: BZh.
Programs that support BZ2 files
How to open a BZ2 file?
If you can’t open a BZ2 file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
Thanks to their popularity, bzip2, PeaZip and WinArchiver are often the go-to programs for managing BZ2 files. To install the updated version of ALZip, simply go to the ESTsoft site and download the installer compatible with all major platforms.
After installation, your operating system should automatically open BZ2 files with ALZip.
Set ALZip as your default BZ2 viewer
Set default app to open files on Mac
- Right-click or Control + left-click on the desired BZ2 file to open a menu of available actions;
- Choose "Open in Application" and click "Other";
- Next, at the bottom of the window, you will see the "Enable" menu, in which "Recommended Programs" is selected by default;
- In this menu, select "All Programs", then find ALZip and check the box next to "Always open in the application."
Change a default app in Windows
- Take the first step by right-clicking on your BZ2 file. Next, select "Open With" and then choose "Choose another app" from the available options;
- From the list of applications in the pop-up window, find and select ALZip as your desired application;
- Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening BZ2 files.
Solving Common BZ2 File Challenges
There are some common issues with BZ2 files that can be resolved easily by making minor adjustments to your software. Below, you’ll find these issues along with practical troubleshooting tips.
Why does ALZip stop responding or crash intermittently?
Lack of software updates is a possible reason behind ALZip crash. Keep your ESTsoft products up to date by installing the latest updates.
A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.
What are the best practices for repairing a BZ2 file that has gone bad?
In a data recovery program, open the damaged BZ2 file and select the "Repair" menu option. Wait for the recovery process to finish as it will automatically restore the damaged compressed files.
How do I know if my BZ2 file has been damaged?
Characteristics of corrupted BZ2 compressed files can include:
- Error alerts occur when actions are performed on the file;
- Editing the archive in bzip2 is hampered by poor overall performance;
- The file encounters problems during the opening process or shows error indications;
- An unexplained increase in the size of the BZ2 file;
- The file causes ALZip or other software to hang or crash during various operations;
How to edit a BZ2 file?
To modify BZ2 files, you need to install special software that makes it possible to open and edit compressed files. Online BZ2 editors are more restricted compared to software designed for Bzip2 Compressed Format.
Best BZ2 editors 2026
Based on these criteria, we have prepared a list of available BZ2 editors.
Convert files to and from BZ2
If obstacles arise while working with a BZ2 file, you may convert it to formats like ZIP, BIN or other similar types for smoother handling.
After converting a BZ2 file, some capabilities may be limited, but you can often convert it back to the original format.
Several applications, including ALZip, can convert BZ2 files offline without quality loss.