Found 1 file type for the .7Z file extension

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File extension 7Z - 7-ZIP compressed 7z archive file

File type specification:

Archive and compressed file type icon Archive and compressed file type

7z file icon: 7z file icon

File extension 7Z description:

The 7Z file extension is used for native file format of 7-ZIP archiver

7z is the new backup and archive file format, providing high compression ratio.

The main features of 7z file format:
- Open architecture
- High compression ratio
- Strong AES-256 encryption
- Ability of using any compression, conversion or encryption method
- Support for very large files with sizes up to 16000000000 GB
- Unicode file name support
- Solid compression ratio
- Archive headers compression

7z file format has an open architecture, so it can support any new compression methods. LZMA is the default and general compression method of 7z file format.
The main features of LZMA are:

  • Variable dictionary size (up to 4 GB)
  • Compression speed: about 1 MB/s on 2 GHz CPU
  • Decompression speed: about 10-20 MB/s on 2 GHz CPU
  • Small memory requirement for decompression (depend from dictionary size)
  • Small code size for decompression: about 5 KB
  • Supports multi-threading and P4's hyper-threading

The LZMA compression algorithm is very suitable for embedded applications. LZMA is released under the terms of the GNU LGPL.

7-Zip supports encryption with the AES-256 algorithm. This algorithm uses a cipher key with a length of 256 bits. To create that key, 7-Zip runs a derivation function based on a SHA-256 hash algorithm. A key derivation function produces a derived key from the text password entered by the user. To increase the cost of an exhaustive search to crack a password, 7-Zip uses a large number of iterations when it produces a cipher key from a password.

7z file format was developed as as part of the 7-Zip compression utility distributed under the GNU LGPL.

Mime: application/x-lzma

The default software that works with 7z file format:

7-zip icon

Igor Pavlov logo 7-zip

Company or developer:
  Igor Pavlov

7-Zip is an open source file archiver with a high compression ratio. It is able to decompress a vast number of archiving format. Its localized to 79 languages and primary aimed for Windows platform. However it is available in unofficial releases for most other OS platforms. 7-zip is developed by Igor Pavlov.

p7zip for Mac icon

Igor Pavlov logo p7zip for Mac

Company or developer:
  Igor Pavlov

p7zip for Mac is command line tool used to create and extract 7zip archives.

p7zip for Linux icon

Igor Pavlov logo p7zip for Linux

Company or developer:
  Igor Pavlov

p7zip for Linux is command line tool used to create and extract 7zip archives.

Related articles:

7-Zip Review

Help how to open 7Z files:

The native application, that can open and extract 7z compressed file is 7-Zip.

7zip compression format is supported by third party archive applications such as WinRAR, PowerArchiver, PeaZip, ZipZag and etc... This applications can open and extract 7z compressed archives.

How to convert file with extension 7Z:

The easiest way how to convert 7z archive is to decompress the 7z archive with the use of 7-ZIP and repack the content with another compression or archive application of your choice.

WinRAR has integrated conversion utility, that can convert 7z compressed archive files (and other compression formats) into RAR compressed archives.

File identification strings:

HEX code: 37 7A BC AF 27 1C
ASCII code: 7z '

Related links:

7z file format at Wikipedia.org Encyclopedia

Mistyped 7Z file extension name search strings: z7

List of software associated to the .7z file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open 7z file, edit 7z file, convert 7z file, view 7z file, play 7z file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the 7z files.

  • Open 7z file
  • Save 7z file
  • Edit 7z file
  • View 7z file
  • Convert 7z file
  • Create 7z file
  • Extract 7z file
  • Backup 7z file

Programs that open 7z file - 7-ZIP compressed 7z archive file

Click on the link to get more information about listed programs for open 7z file action.

Microsoft Windows platform:

Main software associated with 7z file by default:
7-zip small icon 7-zip
Other suggested software:
PowerArchiver
ALZip small icon ALZip
WinRAR small icon WinRAR
ZipZag small icon ZipZag

Linux/Unix platform:

Multiplatform:

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