7-Zip

24.09 2024-11-29
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- The default dictionary size values for LZMA/LZMA2 compression methods were increased:
dictionary size compression level
v24.08 v24.09 v24.09
32-bit 64-bit
8 MB 16 MB 16 MB -mx4
16 MB 32 MB 32 MB -mx5 : Normal
32 MB 64 MB 64 MB -mx6
32 MB 64 MB 128 MB -mx7 : Maximum
64 MB 64 MB 256 MB -mx8
64 MB 64 MB 256 MB -mx9 : Ultra
The default dictionary size values for 32-bit versions of LZMA/LZMA2 don't exceed 64 MB.
- 7-Zip now can calculate the following hash checksums: SHA-512, SHA-384, SHA3-256 and MD5.
- APM and HFS support was improved.
- If an archive update operation uses a temporary archive folder and
the archive is moved to the destination folder, 7-Zip shows the progress of moving
the archive file, as this operation can take a long time if the archive is large.
- The bug was fixed: 7-Zip File Manager didn't propagate Zone.Identifier stream
(省略されました)

24.08 2024-08-11
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- The bug in 7-Zip 24.00-24.07 was fixed:
For creating a zip archive: 7-Zip could write extra zero bytes after the end of the archive,
if a file included to archive cannot be compressed to a size smaller than original.
The created zip archive is correct except for the useless zero bytes after the end of the archive.
When unpacking such a zip archive, 7-Zip displays a warning:
"WARNING: There are data after the end of archive".
- The bug was fixed: there was a leak of GDI objects (internal resources in Windows)
in "Confirm File Replace" window, causing problems after 1600 displays of "Confirm File Replace"
window from same running 7-Zip process.
- Some optimizations for displaying file icons in 7-Zip File Manager and in "Confirm File Replace" window.
- Some bugs were fixed.

24.07 2024-06-19
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- The bug was fixed: 7-Zip could crash for some incorrect ZSTD archives.

24.06 2024-05-26
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- The bug was fixed: 7-Zip could not unpack some ZSTD archives.
- 7-Zip now can unpack MBR and GPT images with 4 KB sectors.

24.05 2024-05-14
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- New switch -myv={MMNN} to set decoder compatibility version for 7z archive creating.
{MMNN} is 4-digit number that represents the version of 7-Zip without a dot.
If -myv={MMNN} switch is specified, 7-Zip will only use compression methods that can
be decoded by the specified version {MMNN} of 7-Zip and newer versions.
If -myv={MMNN} switch is not specified, -myv=2300 is used, and 7-Zip will only
use compression methods that can be decoded by 7-Zip 23.00 and newer versions.
- New switch -myfa={FilterID} to allow 7-Zip to use the specified filter method for 7z archive creating.
- New switch -myfd={FilterID} to disallow 7-Zip to use the specified filter method for 7z archive creating.
- Some bugs were fixed.
- 7-Zip now can unpack NTFS images with cluster size larger than 64 KB.
- 7-Zip now can unpack MBR and GDP images with 4 KB sectors.
file to stdout stream (-so switch), 7-Zip didn't write "data descriptor" for some files.

24.04 2024-04-05
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- New menu item in 7-Zip File Manager: "Tools / Delete Temporary Files...".
This menu item opens a window showing temporary folders and files
created by 7-Zip in the user's "Temp" folder on a Windows system.
In this window, the user can delete temporary files.

24.03 2024-03-23
- Speed optimizations for hash caclulation: CRC-32, CRC-64, BLAKE2sp.

24.02 2024-03-22
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- 7-Zip now can use new RISCV filter for compression to 7z and xz archives.
RISCV filter can increase compression ratio for data containing executable
files compiled for RISC-V architecture.
- The speed for LZMA and LZMA2 decompression in ARM64 version for Windows
was increased by 20%-60%.
- 7-Zip GUI and 7-Zip File Manager can ask user permission to unpack RAR archives that
require big amount of memory, if the dictionary size in RAR archive is larger than 4 GB.
- new switch -smemx{size}g : to set allowed memory usage limit for RAR archive unpacking.
RAR archives can use dictionary up 64 GB. Default allowed limit for RAR unpacking is 4 GB.
- 7zg.exe (7-Zip GUI): -y switch disables user requests and messages.
- 7-Zip shows hash methods XXH64 and BLAKE2sp in context menu.
- -slmu switch : to show timestamps as UTC instead of LOCAL TIME.
- -slsl switch : in console 7-Zip for Windows : to show file paths with
linux path separator slash '/' instead of backslash separator '\'.
- 7-Zip supports .sha256 files that use backslash path separator '\'.
- Some bugs were fixed.

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Download 7-Zip 24.01 beta (2024-01-31):
7-Zip installer for Windows
(alternative MSI installer) 7-Zip for 64-bit Windows x64
We recommend to use exe type installer instead of msi installer version.
Download 7-Zip 23.01 (2023-06-20):
7-Zip installer for Windows
(alternative MSI installer) 7-Zip for 64-bit Windows x64
.tar.xz
macOS (arm64 / x86-64)
7-Zip for MacOS: console version
Download
We recommend to use exe type installer instead of msi installer version.
7-Zip for 64-bit Windows x64
(alternative MSI installer) 7-Zip for 64-bit Windows x64
7-Zip for 64-bit Windows x64
(alternative MSI installer) 7-Zip for 64-bit Windows x64
7-Zip for 64-bit Windows x64
You can download latest versions of 7-Zip from GitHub:
(省略されました)

Download 7-Zip 23.01 (2023-06-20):
.7z
any / Windows
7-Zip Source code
Download
.tar.xz
any / Windows
7-Zip Source code
Download
.7z
any / Windows
LZMA SDK: (C, C++, C#, Java)
Download