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7-Zip is a file archiver with a high compression ratio.
See related links to what you are looking for. Send comments regarding the burden estimate or any other aspect of the collection of information, including suggestions for reducing this burden, to National Archives and Records Administration (NHP), 8601 Adelphi Road, College Park MD.
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The Georgia Archives identifies, collects, provides access and preserves Georgia’s historical documents. Whether you love history, or simply want to know how we serve the citizens of Georgia, we invite you to explore our website or visit us in the City of Morrow, located just south of Atlanta. The staff of the Maryland State Archives is pleased to continue to serve you remotely. We recommend the following steps in this order: Place your orders online or by mail to obtain copies of documents. Email questions directly to our staff at [email protected]; If email is not possible, call our Help Desk staff at: 410-260-6487.
Download 7-Zip 19.00 (2019-02-21) for Windows: Edgeview 2 1 990 – cutting edge image viewer pdf.
Link | Type | Windows | Size |
---|---|---|---|
Download | .exe | 32-bit x86 | 1.2 MB |
Download | .exe | 64-bit x64 | 1.4 MB |
Download 7-Zip 20.02 alpha (2020-08-08) for Windows: Microsoft office standard 2019.
Link | Type | Windows | Size |
---|---|---|---|
Download | .exe | 32-bit x86 | 1.2 MB |
Download | .exe | 64-bit x64 | 1.4 MB |
Download | .exe | 64-bit ARM64 | 1.5 MB |
License
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. Hopper disassembler 2 8 8.
The main features of 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
- 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
7-Zip works in Windows 10 / 8 / 7 / Vista / XP / 2019 / 2016 / 2012 / 2008 / 2003 / 2000.
p7zip - the port of the command line version of 7-Zip to Linux/Posix.
On 7-Zip's SourceForge Page you can find a forum, bug reports, and feature request systems.
Compression ratio
We compared 7-Zip with WinRAR 5.20.
Zip Archiver Online
FILE SETS: Mozilla Firefox 34.0.5 for Windows and Google Earth 6.2.2.6613 for Windows.
Archiver | Mozilla Firefox | Google Earth | ||
---|---|---|---|---|
65 files 85 280 391 bytes | 483 files 110 700 519 bytes | |||
Compressed size | Ratio | Compressed size | Ratio | |
7-Zip 9.35 -mx | 39 357 375 | 100% | 15 964 369 | 100% |
WinRAR 5.20 -m5 -s -ma5 -md128m | 41 789 543 | 106% | 17 035 432 | 107% |
Compression ratio results are very dependent upon the data used for the tests. Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. And 7-Zip compresses to zip format 2-10% better than most of other zip compatible programs.
The Alaska State Archives was established in 1970 and opened its doors to the public in 1972. The State Archives preserves permanently valuable government records that document Alaska's history and makes these records available to its clients in a secure, professional and responsible manner. The State Archives' serves both the citizens of Alaska and state agencies that create and administer public records. The Records & Information Management Service (RIMS) consults with state agencies to create records retention and disposition schedules for both permanent and temporary records. Staff administer two records center storage and service contracts for over 130,000 cubic feet of non-current state records.
To see a list of our services and fees, view our Fees Schedule page.