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PeaZip is a free cross-platform file archiver that provides an unified portable GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX...
Create 7Z, ARC, BZ2, GZ, *PAQ, PEA, QUAD/BALZ, TAR, UPX, WIM, XZ, ZIP files
Open and extract over 150 archive types: ACE, ARJ, CAB, DMG, ISO, LHA, RAR, UDF, ZIPX files and more...
Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives, split/join files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export job definition as script.

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7-Zip 7Z files

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How to create, open and extract 7Z archives

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How to create, open and extract 7Z archives

7-Zip7-zip is a popular modern Open Source file archiver created by Igor Pavlov, supporting compression protocols which features native UTF-8 support for filenames, AES encryption, volume spanning, and high compression ratio.
7Z is 7-Zip's archiving format, providing high compression ratio through powerful compression algorithms (LZMA/LZMA2, PPMd, BZip2) that can take benefit of parallel computing on modern multicore CPUs. XZ is a pure compression format, based on LZMA algorithm family.
7-Zip was developed for Windows platforms, and ported by p7zipp7zip project team on Unix platforms.
PeaZip uses the components from those two programs (that are released under LGPL license as PeaZip) to offer the same GUI frontend to create, browse, test and extract 7z and ZIP archives under Linux and Windows as well.

extract 7-zip files

To create a 7Z archive, or add files to an existing 7Z file you can:
  • Drag files to a PeaZip instance; if you are browsing an existing archive you will be asked if you want to add files to the archive or create a new one
  • Select files and folder and use system's context menu entry Add to archive
  • Select files in PeaZip and use Add button or context menu entry
To extract 7Z or XZ files you can:
  • Use context menu entry "Extract here" or "Extract here (to new folder)"
  • Use context menu entry "Extract..." to be asked for output path and other options
  • Open the archive in PeaZip in PeaZip and use "Extract" button (you can chose output path, enter password and other options before confirming with "Ok") to extract selected object, or Extract > Extract all in application's context menu to extract all the archive
  • Open the archive in PeaZip and drag desired objects from the application to the system (the opposite can be used to add objects to the archive)
  • Open the archive in PeaZip and doubleclick on an archived file to open and view its content
To enter password in PeaZip click in the padlock icon extract encrypted 7z file in the status bar (in the file/archive browser) or the padlock icon below output address field in extraction or archiving interfaces, or click Tools > Enter password / keyfile in main menu, or press F9.
"Keyfile" is optional, leave it blank if you don't want to rely on two factor authentication - use of keyfile increases security over password only encryption since also having access to the keyfile will be required to perform the extraction.
From archive creation screen it is possible to set options as faster/higher compression, and creation of multiple volumes declaring the output size (spanned archive).

Topics: 7-Zip, open 7Z archives, extract 7Z files, 7Z files extractor, unpack 7Z, XZ, unzip 7Z files, 7Z utility, freeware 7z extractor, download 7zip utility, free 7zip program, 7z application, un7zip, unzip 7z, 7z software.

Related articles: Convert archives, Update archives, ACE files, CAB archives, Extract RAR files, TAR format, ZIP files, Extract ZIPX, SFX self extracting archives, Encryption, How to extract encrypted archives?, Comparison of archive formats, Suggestions for best file compression performances, How to split and join files

FAQ > Archive management > 7-Zip's .7z files

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