Winrar Setup

2/15/2022by admin


  1. Winrar is a free app that lets you compress and unpack any file in a very easy, quick and efficient way. The program integrates itself perfectly in the right-button menu, so you can easily create RAR and ZIP files.
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  3. WinRar allows users to compress various files into a single compressed file. This makes the transfer and sharing of multiple files easily. When creating a new rar file, users need to apply the Add files option, to add any number of files they choose to compress in the single file.
  4. WinRAR (32-bit) 2021 full offline installer setup for PC WinRAR is a 32-bit Windows version of RAR Archiver. It can backup your data and reduce the size of email attachments, decompresses RAR, ZIP and other files downloaded from Internet and create new archives in RAR and ZIP file format.

WinRAR gives you the ability to take an existing setup and deployment project that creates a setup.exe and an MSI file, and release a single file installer based on a self-extracting executable. The creation of such an SFX project can be automated from the command line.

WinRar is a Windows version of the RAR archiver - a powerful tool which allows you to create, manage and control archive files, as well as, create backup copies of your files. There are several versions of RAR, for a number of operating environments: Windows, Linux, FreeBSD, DOS, OS/2, MacOS X, PocketPC. WinRar features:

  • WinRar introduces an original compression algorithm. It allows higher compression ratios than other PC archiving tools, especially on executable files, multimedia libraries, large text files, etc. WinRar's compression algorithm is highly optimized for multimedia data. This makes your backups smaller.
  • WinRar supports files and archives up to 9,223,372,036,854,775,807 bytes in size, which is about 8,589,934 TB (terabytes). The number of archived files is, for all practical purposes, unlimited. WinRar has been tested to handle over 1 million files. This enables you to create huge backup copies of unlimited size.
  • WinRar provides complete support for RAR and ZIP archives and is able to unpack CAB, ARJ, LZH, TAR, GZ, ACE, UUE, BZ2, JAR, ISO, Z, 7ZIP backups and archives.
  • WinRar supports NTFS extended file attributes, file security and NTFS data streams for accurate backup. WinRar also supports Unicode international characters in file names.
  • WinRar offers both a classic interactive Windows interface and the command line interface.
  • WinRar provides functionality for creating a 'solid' archive, which can raise the compression ratio by 10% - 50% over more common methods, particularly when packing large numbers of small files.
  • WinRar offers a number of service functions, such as setting a password with industry standard AES encryption, adding archive and file comments. Even physically damaged archives may be repaired and an archive may be locked to prevent further changes. Authenticity information may be added for additional security.

Rar files and Zip files

Zip files

  • The principal advantage of Zip format is its popularity. For example, most archives in the Internet are Zip archives. Zip files are widely supported across many computer configurations and operating system platforms. Microsoft Windows XP features a built-in support for Zip files. You can browse inside Zip files and work with Zip files just like with any other folder on your computer. So if you are going to send an archive to somebody, it might be a good idea to use the Zip format.
  • Another Zip advantage is speed. Zip archives are usually created faster.

Rar files

  • Rar format in most cases provides significantly better compression than Zip, especially in solid mode. Another important feature of Rar is support of multi-volume archives.
  • Rar format also has a few important features, such as the recovery record, which allows the restoration of physically damaged data, and locking of important archives to prevent their accidental modification.

Basic backup strategy and Zip files


Lately, the Zip format has been extended with Zip64 extensions to handle files of practically unlimited size (up to 8,589,934,591 GB). Additionally, WinZip 9 introduced extensions to support AES-256 compatible encryption within Zip files. With these important improvements Zip format is likely to remain the dominant archive format on the Internet, so there is no real need to leave Zip in favour of Rar, especially if use archiving as a means of regular backups.

Backing up with WinRar

Backup options

Erase destination disk contents before archiving. All files and folders on the target disk will be erased before starting the backup operation. If you create volumes, erasing will be performed before creating of each volume, giving you the chance to back up to non-empty removable disks. The option applies only to removable media, hard disk cannot be erased using this function.

Add only files with attribute 'Archive' set. Only those files which have attribute 'Archive' set, will be added. This option is designed for backup purposes to mimic the incremental or semi-incremental backup operation.

Clear attribute 'Archive' after compressing. Clear attribute 'Archive' on successfully compressed files. The same as above.

Open shared files. Allows to process files opened by other applications for writing. It helps if an application allowed read access to a file. This option could be unsafe, because it allows a file to be archived, while that file may be in the process of being modified by another application. Use with care.

Generate archive name by mask. Appends the current date string to an archive name when creating an archive. Useful for daily backups. The date string is formatted by the specified mask.

Keep previous file versions. Forces WinRar to keep previous file versions when updating files in the already existing backup. Old versions are renamed according to a special naming convention. Files are marked file their version numbers.

Additional settings for easier backup

  • High precision modification time. If this option is disabled, file modification time is stored with two seconds precision. It is enough for FAT file system, but insufficient for NTFS. Enabling this option may slightly increase the backup size, up to 5 bytes per each archived file, but it allows WinRar to preserve the file time with 0.0000001 second precision. WinRar automatically turns off the high precision mode if the capability is not supported by the source file system, so it will not be active when backing up from FAT disks.
  • Store creation time. Store last access time. Windows file systems keep three different time fields with each file: last modification, creation and last access time. By default WinRar stores only the last modification time, but using this option you may enable storing of additional information. It may be useful for backups.
  • Include files by time. The default value of this option is 'any time', so WinRar will back up all selected files regardless of their time stamp. But changing it to 'older than' or 'newer than' you may force WinRar to back up only those files which are older or newer than a specified number of days, hours or minutes. For example, it can be useful if you wish to back up only files modified in the last 3 days.

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SFX options: Setup

Winrar Setup

This dialog is a part of the 'AdvancedSFX options' dialog and includes the following settings:

SFX will try to execute the specified program after successfulextraction. The folder containing extracted files is set as the currentbefore executing the program. If a program name contains spaces,it must be enclosed in quotes.

It is allowed to specify several setup programs here, one programper line. If you do not want to start all setup programs simultaneously,set 'Wait and return exit code' option.


Read notes to Setup topic for someadditional details.

Corresponding SFX script command -Setup

Winrar Setup Install

SFX will try to execute the specified program before startingextraction, so this program must already exist on disk.The destination folder is set as the current before executing the program.If a program name contains spaces, it must be enclosed in quotes.You may use this command, for example, to remove a previous version ofprogram, when installing a new version over the old one.

It is allowed to specify several setup programs here, one programper line. If you do not want to start all setup programs simultaneously,set 'Wait and return exit code' option.

Corresponding SFX script command -Presetup


If this option is on, SFX waits for termination of setup programand returns the exit code of setup program increased by 1000 asthe exit code of SFX executable.

If SFX failed to run a setup program because of some error,it returns its own error codes, which are the same as WinRAR exit codes and always lessthan 1000. You can read SetupCode topicfor additional details.

Corresponding SFX script command -SetupCode

Winrar Setup For 32 Bit

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