is a legacy version of the open-source file archiver, originally released on December 26, 2021. While it remains widely available in "multilingual portable" formats, it is no longer the current stable release. Key Features of Version 21.07
: Retains the powerful LZMA/LZMA2 compression and AES-256 encryption found in the standard installer. Critical Security Note (CVE-2022-29072) CVE-2022-29072 Detail - NVD 7-zip-21-07-final-multilingual-portable
: In the "Add to Archive" window, users can now use the -m prefix (e.g., -mparam ) as they would in the command line. is a legacy version of the open-source file
: Introduced the ability to extract VHDX disk images (Microsoft Hyper-V Virtual Hard Disk v2 format). originally released on December 26
: Includes localizations for up to 74–87 languages .