Editing RAR (file format) (section)

{{Short description|Archive file format}}
{{Multiple issues|
{{original research|date=February 2016}}
{{primary sources|date=October 2008}}
}}
{{Infobox file format
| name          = RAR file format
| icon          = 
| screenshot    =
| caption       = 
| extension     = .rar, .rev, .r00, .r01 
| mime          = application/vnd.rar
| uniform type  = com.rarlab.rar-archive
| magic         = <code>52 61 72 21 1A 07 00</code><br/>(RAR 1.5 to 4.0)<br/>{{nowrap|<code>52 61 72 21 1A 07 01 00</code>}}<br/>(RAR 5+) <ref>[http://www.rarlab.com/technote.htm RAR 5.0 technote]</ref>
| max_size = 2<sup>63</sup>-1 bytes (almost 8 [[exbibyte]]s)
| developer     = [[Eugene Roshal]]
| released      = {{start date and age|1993|3}}<ref>{{cite web |url=http://www.compression.ru/arctest/descript/roshal.htm |title=Interview by correspondence |date=1997–2002 | language=ru |access-date=26 April 2010}}</ref>
| genre         = [[archive format]]
| container for =
| contained by  =
| extended from =
| extended to   =
| standard      =
| free          = No (decompression source code publicly available, but not [[free software]], with restriction that it "cannot be used to develop RAR (WinRAR) compatible archiver") <ref>{{cite web |last1=Roshal |first1=Alexander |title=UnRAR License |url=https://fedoraproject.org/wiki/Licensing:Unrar |website=Fedora Project wiki |publisher=Red Hat |accessdate=9 June 2019 |archiveurl=https://web.archive.org/web/20190609030529/https://fedoraproject.org/wiki/Licensing:Unrar |archivedate=9 June 2019}}</ref>
| url           = {{URL|http://www.rarlab.com/|rarlab.com}}
}}

'''RAR''' is a [[proprietary format|proprietary]] [[archive file format]] that supports [[data compression]], [[error correction]] and [[file spanning]].<ref name="rar_eula">{{cite web |url=http://www.rarlab.com/license.htm |title=RAR and WinRAR END USER LICENSE AGREEMENT (EULA) |author=win.rar GmbH |website=RARLAB |quote=The author and holder of the copyright of the software is Alexander L. Roshal. [...] Neither RAR binary code, WinRAR binary code, UnRAR source or UnRAR binary code may be used or reverse engineered to re-create the RAR compression algorithm, which is proprietary, without written permission.}}</ref> It was developed in 1993 by Russian software engineer [[Eugene Roshal]] and the software is licensed by ''win.rar GmbH''.<ref name="rar_eula" /> The name ''RAR'' stands for ''Roshal Archive''.