7-Zip is free software with open source. The most of the code is under the GNU LGPL license. Some parts of the code are under the BSD 3-clause License. Also there is unRAR license restriction for some parts of the code. Read 7-Zip License information. 

You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. 


High compression ratio in 7z format with LZMA and LZMA2 compression : 

Supported formats: Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM 

Supported formats: Unpacking only: AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR and Z. 

For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip 

Strong AES-256 encryption in 7z and ZIP formats 

Self-extracting capability for 7z format 

Integration with Windows Shell 

Powerful File Manager 

Powerful command line version 

Plugin for FAR Manager 

Localizations for 87 languages 

OS Supported

Windows 10

Apple MacOS

License Details

This license is an annual subscription purchased by Saint Mary's University

Available to



Personal devices and university-owned devices

How to Get

For Students/Staff/Faculty: 7-Zip is available via AppsAnywhere.smu.ca

Faculty only: For special requests, please contact EIT Helpdesk at helpdesk@smu.ca


For more information, visit https://www.7-zip.org/ 


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Article ID: 584
Mon 4/12/21 2:37 PM
Fri 7/15/22 2:58 PM