In the test build of Windows 11 Insider, the ability to change the compression parameters for tar, 7-zip and zip archives appeared

In the test build of Windows 11 Insider, the ability to change the compression parameters for tar, 7-zip and zip archives appeared

In the test build of Windows 11 Insider build 26040, the ability to change the compression parameters and more fine-tuning for tar, 7-zip and zip archives appeared (for creating rar archives, the option remains unavailable). As before, users cannot protect compressed files with passwords or open password-protected archives as part of the implementation of new native OS support for the process of working with various archivers.

Built-in archive support in Windows 11 has received new options that give users more flexibility and customization options when working with tar, 7-zip and zip archives without relying on third-party programs, for example, you can choose the format, compression level, compression algorithms and several additional options

In Windows 11 Insider build 26040 (available via the Canary Channel), you can right-click on a file or multiple files and select Compress -> Advanced options. In this case, an additional utility for configuring archiving opens, in which users can select the following options:

  • archive format: 7zip, TAR and ZIP (RAR is not available);

  • compression method: Store, Deflate, BZip2, LZMA1, LZMA2, PPMd. Available options depend on the selected archive format;

  • compression level: from 0 to 9;

  • additional options for saving symbolic and hard links.

On May 24, 2023, Microsoft announced that Windows 11 will natively support tar, 7-zip, rar, gz, and many other archive formats. “We’ve added built-in support for additional archive formats, including tar, 7-zip, rar, gz, and many others, using the open source libarchive project,” Microsoft product director Panos Panay explained on the Windows Developer Blog.

Microsoft said that there will be other improvements related to working with archivers in the OS. For example, the speed of packing files into the Windows 11 archive will increase. New functions for working with archives will be integrated into the summer test builds of Windows 11.

The developers clarified that this was done so that users do not have to install third-party programs to access archives, similar to the standard built-in zip support that appeared in Windows in 1998.

According to the description of the libarchive project, it supports 16 types of archives, but with some restrictions on versions and capabilities (reading or writing).

“We also plan to expand support in this direction and add the ability to create archives of some formats in 2024,” explained a Microsoft representative.

WinRAR explained that it is a great honor for the company when, 30 years after the release, Windows will finally have regular support for rar.

Last August, Microsoft developers built native support for tar, tar.gz, tar.bz2, tar.zst, tar.xz, tgz, tbz2, tzst, txz, 7z, 7-zip, rar and gz into Windows 11 in reading (unpacking) mode. Also, work with encrypted archives is not supported there.

In October 2023, KB5031455 was released for Windows 11 22H2, which adds native support for more than ten additional archive formats, including rar, 7-Zip, tar, and gz in unpack mode.

In November 2023, the Windows 11 Insider test build added the ability to create tar and 7-zip archives in addition to zip.

Tests have shown that the native support for working with 7z and rar archives in Windows 11 (in archive unpacking mode) is significantly inferior to WinRAR and NanaZIP applications in terms of speed. But everything is more stable with tar, because the explorer in Windows 11 handles this archive at the level of third-party programs.

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