RAR file format Wikipedia. RAR is a proprietary3archive file format that supports data compression, error recovery and file spanning. It was developed by a Russian software engineer, Eugene Roshal the name RAR stands for Roshal Archive and the RAR software is licensed by win. Gmb. H. 3File formateditThe filename extensions used by RAR are. Previous versions of RAR split large archives into several smaller files, creating a multi volume archive. Numbers were used in the file extensions of the smaller files to keep them in the proper sequence. The first file used the extension. RAR compression applications and libraries including GUI based Win. RAR application for Windows, console rar utility for different OSes and others are proprietary software, to which Alexander L. Roshal,3 the elder brother of Eugene Roshal, owns the copyright. Version 3 of RAR is based on Lempel Ziv LZSS and prediction by partial matching PPM compression, specifically the PPMd implementation of PPMII by Dmitry Shkarin. The minimum size of a RAR file is 2. The maximum size of a RAR file is 9,2. VersionseditThe RAR file format revision history v. Rar signaturev. Win. RAR 2. 0 and Rar for MS DOS 2. Multimedia compression for true color bitmap images and uncompressed audio. Up to 1 Mi. B compression dictionary. Introduces archives data recovery protection record. Win. RAR version 3. Feature changes in this version include. Left Right Exchange Game. File extensions is changed from volume name. Encryption of both file data and file headers. Improves compression algorithm using 4 Mi. Ball Jointed Doll 3D Model. B dictionary size, Dmitry Shkarins PPMII algorithm for file data,Optional creation of recovery volumes. Support for archive files larger than 9 Gi. B. Support for Unicode file names stored in UTF 1. Win. RAR 5. 0 and later. Changes in this version. Maximum compression dictionary size increased to 1 Gi. B default for Win. RAR 5. x is 3. 2 Mi. B and 4 Mi. B for Win. RAR 4. x. Maximum path length for files in RAR and ZIP archives is increased up to 2. Support for Unicode file names stored in UTF 8 format. Faster compression and decompression. Multicore decompression support. Greatly improves recovery. VcPEgJ7o0Pk/hqdefault.jpg' alt='How To Unrar A Rar File With Winrar' title='How To Unrar A Rar File With Winrar' />Optional AES encryption increased from 1. Optional 2. 56 bit BLAKE2 file hash instead of a default 3. CRC3. 2 file checksum. Optional duplicate file detection. How To Unrar A Rar File With Winrar' title='How To Unrar A Rar File With Winrar' />I have a. I want to unzip it using cmd, how can I do that unrar e CUsersanoopnDesktopDesktop. Optional NTFS hard and symbolic links. Optional Quick Open Record. Rar. 4 archives had to be parsed before opening as file names were spread throughout the archive, slowing operation particularly with slower devices such as optical drives, and reducing the integrity of damaged archives. Rar. 5 can optionally create a quick open record, a special archive block at the end of the file that contains the names of files included, allowing archives to be opened faster. Adobe Cs3 Cleaner Tool there. Removes specialized compression algorithms for Itanium executables, text, raw audio WAV, and raw image BMP files consequently some files of these types compress better in the older RAR 4 format with these options enabled than in RAR5. NotesWin. RAR 5. RAR for Android refer to this format as RAR4. SoftwareeditOperating system supporteditSoftware is available for Microsoft Windows named Win. RAR, Linux, Free. BSD, mac. OS, and Android archive extraction is supported natively in Chrome OS. Win. RAR supports the Windows Graphical User Interface GUI other versions named RAR run as console commands. Later versions are not compatible with some older operating systems previously supported Win. RAR v. 5. x supports Windows XP and later. Win. RAR v. 4. 1. Windows 2. 00. 0. Win. RAR v. 3. 9. Windows 9. ME, and NT. RAR v. MS DOS and OS2 on 3. CPUs such as 8. 03. It supports long file names in a Windows DOS box except Windows NT, and uses the RSXDPMI extender. RAR v. MS DOS and OS2 on 1. CPUs such as Intel 8. Creating RAR fileseditRAR files can be created only with commercial software Win. RAR Windows, command line RAR Windows, MS DOS, mac. OS, Linux, Android,8 and Free. BSD, and other software that has written permission from Alexander Roshal or shares copyrighted code under license from Alexander Roshal. Only Win. RAR for Windows and Rar for Linux are available as native 6. The software license agreements forbid reverse engineering. Several programs can unpack the file format. As of November 2. However, some 3rd party programs documented as supporting the RAR format did not recognise RAR5 files. RARLAB distributes the C source code and binaries for a command line unrar program. The license freely permits its use to produce software capable of unpacking, but not creating, RAR archives, but it is not an unrestricted free software license. Zip, a free and open source program, starting from 7 Zip version 1. RAR5 archives, using the RARLAB unrar code. Pea. Zip is a free software RAR unarchiver for Windows, licensed under the LGPL, it also runs as RAR extractor on Linux and BSD, with GUI. Pea. Zip supports both pre RAR5. RAR5 format out of the box. WinRAR is a Windows data compression tool that focuses on the RAR and ZIP data compression formats for all Windows users. Supports RAR, ZIP, CAB, ARJ, LZH, ACE, TAR. RAR file format Filename extension. Internet media type applicationvnd. Uniform Type Identifier UTI com. How to Lock and Unlock a Password Protected RAR File. RAR is a usual file format usually used to reduce the file size and improve transfer speed. Free Download Free RAR Extractor 2. Get ahold of files and folders encased in various archive formats the quick and easy way with the help of t. License. 7Zip is open source software. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license GNU LGPL unRAR restrictions. WinRAR is a powerful archiver and archive manager. WinRAR processes, encrypts and virus scans RAR, Zip and other compressed files. Download a free 40 day trial nowIt can also install UNRAR5 Plugin based on royalty free but not OSI compliant RARLABs unrar as alternative engine to handle RAR5 format. The Unarchiver is a free software unarchiver for RAR and other formats, licensed under the LGPL. It runs on mac. OS and the command line version, unar, also runs on Windows and Linux. It supports all versions of the RAR archive format including RAR3 and RAR5. UNRARLIB Uniqu. E RAR File Library,1. GPL. It could only decompress archives created by RAR versions prior to 2. RAR 2. 9 and later use different formats not supported by this library. The original development team ended work on this library in 2. See alsoeditReferenceseditExternal linksedit.