BZ2 File What It Is How to Open One

BZ2 File What It Is How to Open One

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What Is a BZ2 File?

How to open, edit, & convert BZ2 files

By Tim Fisher Tim Fisher Senior Vice President & Group General Manager, Tech & Sustainability Emporia State University Tim Fisher has more than 30 years' of professional technology experience. He's been writing about tech for more than two decades and serves as the VP and General Manager of Lifewire. lifewire's editorial guidelines Updated on June 10, 2022 Tweet Share Email Tweet Share Email File Types File Types Apps Windows MS Office Linux Google Drive Backup & Utilities Design Cryptocurrency

What to Know

A BZ2 file is a BZIP2 compressed file. Open one with PeaZip or 7-Zip. Convert to GZ, ZIP, TAR, and other similar formats with FileZigZag. This article explains what a BZ2 file is and how to open one on your computer or convert one to a different format like GZ, ISO, ZIP, etc.

What Is a BZ2 File

A file with the BZ2 file extension is a BZIP2 compressed file. They're normally used only on Unix-based systems for software distribution. BZ2 is often the compression used for popular file containers that don't support compression (like TAR files), so they may have a name like data.tar.bz2. Others that are holding compressed PNG image files, for example, might be named something similar like image.png.bz2. A CPU that supports multi-threading can benefit from the upgraded PBZIP2 file compressor.

How to Open a BZ2 File

BZ2 files can be opened with 7-Zip and other compression/decompression programs. Of them, PeaZip is a good choice because it fully supports the format. This means it can open the file as well as compress one using the BZIP2 compression method to make a BZ2 file. BZ2 archives can contain only one file, so if you're wanting to put multiple files into one, you have to wrap them in another archive format like TAR. Apple's Archive Utility can open BZ2 files on a Mac for free, as can The Unarchiver. Some others for macOS include Incredible Bee's Archiver and Corel's WinZip, though neither are free to use past the trial. Another option that works on all operating systems is B1 Online Archiver. It can open BZ2 files online in your web browser; no software download necessary. You can use the free RAR app from RARLAB to open BZ2 files on an Android device. iOS users can install Zip Browser on iPhone or iPad. Linux systems can extract the contents of the archive without any external software. Use this command in a terminal, but replace file.bz2 with your own file: bzip2 -dk file.bz2 This command will keep the original file on your computer. Use bzip2 -d file.bz2 to have the original deleted after the extraction. Files that are stored in a TAR file, but compressed with BZIP2, can be extracted with this command (again, replacing file.tar.bz2 according to the name of your own file): tar xvjf file.tar.bz2

How to Convert a BZ2 File

The easiest way to convert this file to another archive format is to use one of the options from this list of Free File Converters for Occasionally Used Formats. FileZigZag is one example that runs in your browser to convert BZ2 to GZ, ZIP, TAR, GZIP, TBZ, TGZ, 7Z, and other similar formats. Just upload the file to that website and choose which format to convert it to. You then have to download the converted file back to your computer before you can use it. AnyToISO can be used to convert TAR.BZ2 files to ISO. Since BZ2 files are archives, it means they're not in a "regular" format like PDF, MP4, TXT, CSV, etc. This means that you can't convert to one of those formats (i.e., BZ2 to TXT). However, if you have a BZ2 file that contains one of those files, you can easily that file to a new format by just extracting it out of the archive with a file extractor like PeaZip. Finally, you can use a file converter on the TXT file (or whatever file you're working with) to save it to a new format. If you're looking to do the reverse, and compress something like a BSP (Quake Engine Game Map) file to a BZ2 file, you can use the same file compression tool (like PeaZip). If you need help, TF2Maps.net has a great tutorial on compressing BSP to BZ2.

Still Can' t Open It

If the file doesn't open after trying the suggestions above, the most likely reason is that you're not actually dealing with a BZ2 file. It's easy to do this if you've misread the file extension. For example, BZZ and B2A are similar extensions, but they have nothing to do with an archive. The former extension is used for projects created by a program called BuzzBundle, and the latter for a text-based format. Attempting to open either with the archive openers above will probably result in an error. BZA is another, but it, confusingly, is an archive and so it might be usable with the same programs described above. Files using that extension are created by IZArc. FAQ Can 7-ZIP open BZ2 files? Yes. Most programs that can open ZIP files, including 7-ZIP and WinRAR, can extract BZ2 files. How do I create a BZ2 file? You can only create BZ2 files in Linux. After installing BZ2 with the sudo command, use the syntax $ bzip2 filename.
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