Portable WinRAR 6.21 Final




WinRAR Portable is a powerful archive manager (Windows, Linux, Mac). This is a powerful compression tool with many integrated additional functions to help you organize your compressed archives. It can backup your data and reduce size of email attachments, decompress RAR, ZIP and other files downloaded from Internet and create new archives in RAR and ZIP file format. The archiver puts you ahead of the crowd when it comes to compression. By consistently creating smaller archives, WinRAR is often faster than the competition. This will save you disc space, transmission costs AND valuable working time as well. WinRAR is ideal for multimedia files. It automatically recognizes and selects the best compression method.

The special compression algorithm compresses multimedia files, executables and object libraries particularly well. RAR files can usually compress content by 8 percent to 15 percent more than ZIP files can.

• Using WinRAR Portable puts you ahead of the crowd when it comes to compression by consistently making smaller archives than the competition, saving disk space and transmission costs.
• The program provides complete support for RAR and ZIP archives and is able to unpack CAB, ARJ, LZH, TAR, GZ, ACE, UUE, BZ2, JAR, ISO, 7Z, Z archives.
• WinRAR offers a graphic interactive interface utilizing mouse and menus as well as the command line interface.
• WinRAR is easier to use than many other archivers with the inclusion of a special “Wizard” mode which allows instant access to the basic archiving functions through a simple question and answer procedure. This avoids confusion in the early stages of use.
• WinRAR offers you the benefit of industry strength archive encryption using AES (Advanced Encryption Standard) with a key of 128 bits.
• WinRAR supports files and archives up to 8,589 billion gigabytes in size. The number of archived files is, for all practical purposes, unlimited.
• WinRAR offers the ability to create selfextracting and multivolume archives.
• Recovery record and recovery volumes allow to reconstruct even physically damaged archives.
• WinRAR features are constantly being developed to keep WinRAR ahead of the pack.

What’s NEW:

  • If “Autodetect passwords” option in “Organizer passwords” dialog is enabled and password matching a processing archive is present among saved passwords, it is applied automatically. This option is applicable only for archives in RAR 5.0 and ZIP formats, which allow to verify the password validity quickly.
  • There is a minor chance of incorrect password detection for ZIP archives if stored passwords do not include a proper one. If encrypted ZIP archive extraction fails, you can try to disable this option, repeat extraction and enter a valid password manually.
  • If extraction command involves only a part of files in RAR archive, the additional archive analysis is performed when starting extraction. It helps to properly unpack file references even if reference source is not selected. It works for most of RAR archives except for volumes on multiple removable media and archives containing a very large number of references.
  • Also in some cases such analysis may help to optimize the amount of processing data when extracting individual files from semi-solid archives created with -s and -se switches.
  • “Save original archive name and time” option on “Options” page of archiving dialog allows to save the original archive name and creation time. If archive includes such saved name and time, they are displayed on “Info” page of “Show information” command and can be restored on “Options” page of same command. Restoring involves renaming an archive to original name and setting the saved time as the archive creation and modification time.
  • Switch -ams or just -am together with archive modification commands can be used to save the archive name and time in the command line mode. These saved parameters are displayed in header of “l” and “v” commands output and can be restored with -amr switch combined with “ch” command, such as “rar ch -amr arc.rar”. If -amr is specified, “ch” ignores other archive modification switches.
  • Faster RAR5 compression of poorly compressible data on modern CPUs with 8 or more execution threads. This applies to all methods except “Fastest”, which performance remains the same.
  • “Repair” command efficiency is improved for shuffled data blocks in recovery record protected RAR5 archives.
  • If file size has grown after archiving when creating non-solid RAR volumes, such file is stored without compression regardless of volume number, provided that file isn’t split between volumes. Previously it worked only for files in the first volume.
  • Added decompression of .zipx archives containing file references, provided that both reference source and target are selected and reference source precedes the target inside of archive.
  • Typically, if .zipx archive includes file references, it is necessary to unpack the entire archive to extract references successfully.
  • Added decompression of .zst long range mode archives with dictionary exceeding 128 MB. Previously it was possible to decompress them only if dictionary was 128 MB or less.
  • If “Turn PC off”, “Hibernate”, “Sleep” or “Restart PC” archiving options are enabled in WinRAR, a prompt to confirm or cancel such power management action is displayed directly before starting it. If no selection was made by user for 30 seconds, the proposed action is confirmed and started automatically.
  • This prompt is also displayed for -ioff switch in WinRAR command line, but not in console RAR command line.
  • Context menu in WinRAR file list provides “Open in internal viewer” command for archive files. It can be helpful if you wish to view the archive raw data in internal viewer. For example, to read an email archive with UUE attachments included.
  • Usual “View” command always displays the archive contents. If file is recognized as UUE archive, “View” would show UUE attachments.
  • Recovery record size is displayed on “Archive” page of file properties nvoked from Explorer context menu for archives in RAR5 format. Previously there was only “Present” instead of exact size for RAR5 archives.
  • When archiving from stdin with -si switch, RAR displays the current amount of read bytes as the progress indicator.
  • If wrong password is specified when adding files to encrypted solid RAR5 archive, a password will be requested again. Previous versions cancelled archiving in this case.
  • If both options “Test archived files” and “Clear attribute “Archive” after compressing” or their command line -t -ac equivalents are enabled when archiving, “Archive” attribute will be cleared only if test was completed successfully. Previously it was cleared even when test reported errors.
  • NoDrives value containing the bit mask to hide drives can be now read from “HKEY_CURRENT_USERSoftwareWinRARPolicy” Registry key, which allows to include it to winrar.ini if necessary. Its “SoftwareMicrosoftWindowsCurrentVersionPolicies” locations in HKEY_CURRENT_USER and HKEY_LOCAL_MACHINE are also supported.
  • Previously only “SoftwareMicrosoftWindowsCurrentVersionPolicies” in HKEY_CURRENT_USER was recognized.

Bugs fixed:

  • Archive modification commands could fail for some ZIP archives with file comments;
  • Fixed a memory leak when reading contents of .tar.bz2 archives;
  • If source and resulting archive format is the same, the archive conversion command didn’t set the original archive time to a newly created archive even if “Original archive time” option was selected in archiving parameters;
  • If “Merge volumes contents” option in “Settings/File list” was turned on, the folder packed size in WinRAR file list could beless than expected when browsing a multivolume archive contents. It didn’t include the packed size of file parts continuing from previous volume into calculation;
  • Even if “Set file security” extraction option was turned off by default, extraction commands in Explorer context menu still attempted to restore NTFS file security data;
  • WinRAR could read data beyond the end of buffer and crash when unpacking files from specially crafted ZIP archive. We are thankful to Bakker working with Trend Micro Zero Day Initiative for letting us know about this bug.



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