|Linux / BSD|
PeaZip is focused on security and supports multiple strong encryption standards:
Hint: official PeaZip packages NEVER asks users a password to be installed or to run: if that happens please don't trust that package and rely only on official packages published on official PeaZip domain, and official mirrors.
Manage and decompress password protected archive files
To extract a password protected archive open it with PeaZip (double click if it is a supported file extension) to read and navigate/search its content, then use Extract button in application's toolbar.
Otherwise, use "Extract" entries in context menu for direct extraction without browsing the encrypted container.
If a password is needed for extraction (or browsing) PeaZip will prompt a form to enter the password or passphrase (and optionally a keyfile, if two factor authentication is in use).
Some archive formats, like 7Z, ARC and RAR, supports encrypting the list of files and folders contained in the archive (option usually identified as "encrypt file names"), to protect this information from unauthorized users, so the password will be required even for listing / browsing the archive.
In other cases it is possible to browse the password protected archive, but the password will be required to extract the encrypted data; in PeaZip's file/archive browser you can enter the password clicking the proper context menu entry or clicking on the locker icon in the status bar or pressing F9.
Current revisions of mainstream archive formats like (7Z, ARC, PEA, RAR, and ZIP) uses strong file encryption, and it is unlikely to be possible to brute-force it with any kind of utility if the password is unknown or was forgotten.
In some cases PeaZip may not able to browse archive's content not because it is encoded but because it is corrupted or was created out of standard: in all those cases PeaZip will always display the password dialog, to let the user in control of choosing if entering a password for trying to decrypt the archive, even if the file extension is not usually associated with archives supporting encryption, as file extension can be easily changed.
If you got a corrupted archive you will need to re-download it from a trusted source or restore it from a backup copy.
Hint: if you have to work on different archives with the same password you will not need to re-enter it since it will be kept until you change it or close PeaZip. If you open different instances of PeaZip each will start with no password and can keep a different password.
PeaZip also provides an encrypted password manager in Tools > Password manager from main menu, in this way a master password can be used to encrypt passwords the user desires to keep saved.
The password manager file is unique for each user on the system using PeaZip, so multiple users can keep multiple separated password lists.
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FAQ > Security > Decrypt archive files, open encrypted zip, rar archives
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