Since version 21.01 alpha, preliminary Linux support has been added to the upstream instead of the p7zip project. Most of the 7-Zip source code is under the LGPL-2.1-or-later license the unRAR code, however, is under the LGPL-2.1-or-later license with an 'unRAR restriction', which states that developers are not permitted to use the code to reverse-engineer the RAR compression algorithm.

The program can be used from a command-line interface as the command p7zip, or through a graphical user interface that also features shell integration. 7-Zip has its own archive format called 7z, but can read and write several others. It is developed by Igor Pavlov and was first released in 1999.

LGPL-2.1-or-later with unRAR restriction / LZMA SDK in the public domain ħ-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as 'archives'.

These translations are partial and for the user interface only. Afrikaans, Albanian, Arabic, Aragonese, Armenian, Asturian, Azerbaijani, Bangla, Bashkir, Basque, Belarusian, Breton, Bulgarian, Catalan, Chinese Simplified, Chinese Traditional, Corsican, Croatian, Czech, Danish, Dutch, English, Esperanto, Estonian, Extremaduran, Farsi, Finnish, French, Frisian, Friulian, Galician, Georgian, German, Greek, Gujarati, Indian, Hebrew, Hindi, Indian, Hungarian, Icelandic, Ido, Indonesian, Irish, Italian, Japanese, Kabyle, Karakalpak - Latin, Kazakh, Korean, Kurdish - Sorani, Kurdish, Kyrgyz, Latvian, Ligurian, Lithuanian, Macedonian, Malay, Marathi, Mongolian (MenkCode), Mongolian (Unicode), Mongolian, Nepali, Norwegian Bokmal, Norwegian Nynorsk, Pashto, Polish, Portuguese Brazilian, Portuguese Portugal, Punjabi, Indian, Romanian, Russian, Sanskrit, Indian, Serbian - Cyrillic, Serbian - Latin, Sinhala, Vietnam ,Slovak, Slovenian, Spanish, Swedish, Tamil, Tatar, Thai, Turkish, Ukrainian, Uyghur, Uzbek, Valencian, Vietnamese, Welsh, Yoruba

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