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4 <LINK href="/style.css" rel="stylesheet" type="text/css">
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6 <META name="keywords" content=", archiver, compression, zip, best, compress,
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7 high, ratio, free, gnu, lgpl, unzip, far, win32, 7zip, long, file, names">
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10 <TABLE cellspacing=10 cellpadding=10 border=0 width="100%"><TR>
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11 <TD class="MenuColumn" valign="top">
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12 <TABLE cellpadding=2 cellspacing=0 border=0 width="100%">
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13 <TR><TD><IMG width=110 height=63 src="/7ziplogo.png" alt="7-Zip" border=0></TD></TR>
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14 <TR><TD><HR></TD></TR></TABLE>
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15 <TABLE cellpadding="2" cellspacing="0" border="0">
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16 <TR><TD><SPAN class="MenuCurrent">Home</SPAN></TD></TR>
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17 <TR><TD><A href="7z.html" class="MenuLink">7z Format</A></TD></TR>
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18 <TR><TD><A href="sdk.html" class="MenuLink">LZMA SDK</A></TD></TR>
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19 <TR><TD><A href="download.html" class="MenuLink">Download</A></TD></TR>
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20 <TR><TD><A href="faq.html" class="MenuLink">FAQ</A></TD></TR>
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21 <TR><TD><A href="support.html" class="MenuLink">Support</A></TD></TR>
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22 <TR><TD><A href="links.html" class="MenuLink">Links</A></TD></TR>
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24 <TABLE cellpadding=2 cellspacing=0 border=0 width="100%">
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26 <TR><TD><HR></TD></TR>
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27 <TR><TD><A href="http://sourceforge.net/projects/sevenzip/"><B>SourceForge</B></A></TD></TR>
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28 <TR><TD><HR></TD></TR>
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34 <A href="http://7zip-ar.com/">Arabic</A><BR>
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35 <A href="http://sparanoid.com/lab/7z/">Chinese Simpl.</A><BR>
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36 <A href="http://www.developershome.com/7-zip/">Chinese Trad.</A><BR>
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37 <A href="http://7zip-eo.rnbastos.com/">Esperanto</A><BR>
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38 <A href="http://www.spiroo.be/7zip/">French</A><BR>
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39 <A href="http://www.7-zip.web.id/">Indonesian</A><BR>
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40 <A href="http://sevenzip.sourceforge.jp/">Japanese</A><BR>
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41 <A href="http://7-zip.ir/">Persian</A><BR>
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42 <A href="http://7-zip.org.pl/">Polish</A><BR>
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43 <A href="http://7zip.rnbastos.com/">Portuguese Brazil</A><BR>
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44 <A href="http://7zip-es.updatestar.com/">Spanish</A><BR>
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45 <A href="http://7zip-thai.inetbridge.net/">Thai</A><BR>
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46 <A href="http://7zip-vi.updatestar.com/">Vietnamese</A><BR>
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53 <TABLE cellspacing ="4" cellpadding ="4"><TR>
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59 <P><B>7-Zip</B> is a file archiver with a high compression ratio.</P>
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61 <P><B>Download 7-Zip 9.20 (2010-11-18) for Windows</B>:</P>
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62 <TABLE cellspacing ="1" cellpadding ="6" border = "0">
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64 <TH class="Title" align="center" width=60>Link</TH>
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65 <TH class="Title" align="center" width=60>Type</TH>
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66 <TH class="Title" align="center" width=80>Windows</TH>
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67 <TH class="Title" align="center" width=55>Size</TH>
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70 <TD class="Item" align="center"><A href="http://downloads.sourceforge.net/sevenzip/7z920.exe">Download</A></TD>
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71 <TD class="Item" align="center">.exe</TD>
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72 <TD class="Item" align="center">32-bit x86</TD>
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73 <TD class="Item" align="center">1 MB</TD>
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76 <TD class="Item" align="center"><A href="http://downloads.sourceforge.net/sevenzip/7z920-x64.msi">Download</A></TD>
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77 <TD class="Item" align="center">.msi</TD>
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78 <TD class="Item" align="center">64-bit x64</TD>
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79 <TD class="Item" align="center">1 MB</TD>
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85 <P><B>Download 7-Zip 9.38 beta (2015-01-03) for Windows</B>:</P>
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86 <TABLE cellspacing ="1" cellpadding ="6" border = "0">
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88 <TH class="Title" align="center" width=60>Link</TH>
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89 <TH class="Title" align="center" width=60>Type</TH>
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90 <TH class="Title" align="center" width=80>Windows</TH>
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91 <TH class="Title" align="center" width=55>Size</TH>
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94 <TD class="Item" align="center"><A href="http://sourceforge.net/projects/sevenzip/files/7-Zip/9.38/7z938.exe/download">Download</A></TD>
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95 <TD class="Item" align="center">.exe</TD>
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96 <TD class="Item" align="center">32-bit x86</TD>
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97 <TD class="Item" align="center">1 MB</TD>
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100 <TD class="Item" align="center"><A href="http://sourceforge.net/projects/sevenzip/files/7-Zip/9.38/7z938-x64.msi/download">Download</A></TD>
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101 <TD class="Item" align="center">.msi</TD>
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102 <TD class="Item" align="center">64-bit x64</TD>
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103 <TD class="Item" align="center">1 MB</TD>
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109 <P>The download links above redirect you to download pages on SourceForge.net</P>
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113 <P><B>7-Zip</B> is <B>open source</B> software. Most of the source code is under the <B>GNU LGPL</B> license.
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114 The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions. Check
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115 license information here: <A href="license.txt">7-Zip license</A>.</P>
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117 <P>You can use 7-Zip on any computer, including a computer in a commercial organization.
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118 You don't need to register or pay for 7-Zip.</P>
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120 <H2>The main features of 7-Zip</H2>
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122 <LI>High compression ratio in <A href ="7z.html">7z format</A> with <B>LZMA</B> and <B>LZMA2</B> compression</LI>
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123 <LI>Supported formats:
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125 <LI>Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM</LI>
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126 <LI>Unpacking only: ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA,
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127 MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR and Z.</LI>
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130 <LI>For ZIP and GZIP formats, <B>7-Zip</B> provides a compression ratio that
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131 is 2-10 % better than the ratio provided by PKZip and WinZip</LI>
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132 <LI>Strong AES-256 encryption in 7z and ZIP formats</LI>
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133 <LI>Self-extracting capability for 7z format</LI>
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134 <LI>Integration with Windows Shell</LI>
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135 <LI>Powerful File Manager</LI>
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136 <LI>Powerful command line version</LI>
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137 <LI>Plugin for FAR Manager</LI>
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138 <LI>Localizations for 87 languages</LI>
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141 <P><B>7-Zip</B> works in Windows 10 / 8 / 7 / Vista / XP / 2013 / 2008 / 2003 / 2000 / NT.
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142 There is a port of the command line version to Linux/Unix.</P>
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144 <P>On <A href="http://sourceforge.net/projects/sevenzip/">7-Zip's Source Forge Page</A>
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145 you can find a forum, bug reports, and feature request systems.</P>
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147 <H2>Compression ratio</H2>
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149 <P>We compared <B>7-Zip</B> with WinRAR 5.20.</P>
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151 <P><B>FILE SETS:</B> Mozilla Firefox 34.0.5 for Windows and Google Earth 6.2.2.6613 for Windows.</P>
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153 <TABLE cellspacing ="2" cellpadding ="6">
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155 <TH class="Title" rowspan = 3>Archiver</TH>
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156 <TH class="Title" align="center" colspan = 2>Mozilla Firefox</TH>
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157 <TH class="Title" align="center" colspan = 2>Google Earth</TH>
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160 <TH class="Title" align="center" colspan = 2>65 files<BR>85 280 391 bytes</TH>
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161 <TH class="Title" align="center" colspan = 2>483 files<BR>110 700 519 bytes</TH>
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164 <TH class="Title" align="center">Compressed size</TH>
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165 <TH class="Title" align="center">Ratio</TH>
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166 <TH class="Title" align="center">Compressed size</TH>
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167 <TH class="Title" align="center">Ratio</TH>
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170 <TD class="Item"><B>7-Zip 9.35<BR>-mx</B></TD>
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171 <TD class="Item" align="center"><B>39 357 375</B></TD>
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172 <TD class="Item" align="center"><B>100%</B></TD>
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173 <TD class="Item" align="center"><B>15 964 369</B></TD>
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174 <TD class="Item" align="center"><B>100%</B></TD>
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177 <TD class="Item">WinRAR 5.20<BR>-m5 -s -ma5 -md128m</TD>
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178 <TD class="Item" align="center">41 789 543</TD>
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179 <TD class="Item" align="center">106%</TD>
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180 <TD class="Item" align="center">17 035 432</TD>
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181 <TD class="Item" align="center">107%</TD>
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185 <P>Compression ratio results are very dependent upon the data used for the tests.
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186 Usually, <B>7-Zip</B> compresses to 7z format 30-70% better than to zip format.
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187 And <B>7-Zip</B> compresses to zip format 2-10% better than most of other zip compatible programs.</P>
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190 <TD vAlign=top align=right width=210>
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193 <form action="http://www.google.com/cse" id="cse-search-box">
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195 <input type="hidden" name="cx" value="partner-pub-8875464887834608:2ol7pke0upx" />
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196 <input type="hidden" name="ie" value="UTF-8" />
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197 <input type="text" name="q" size="18" />
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198 <input type="submit" name="sa" value="Search" />
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201 <script type="text/javascript" src="http://www.google.com/cse/brand?form=cse-search-box&lang=en"></script>
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205 <TABLE class=News cellpadding=3 cellspacing=1 border=0>
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206 <TR class=NewsHeader>
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207 <TD class=NewsTitle>7-Zip 9.38 beta</TD>
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208 <TD class=NewsDate>2015-01-03</TD></TR>
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210 <TD class=NewsText colSpan=2>
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211 <A href="http://sourceforge.net/p/sevenzip/discussion/45797/thread/9e68012c/">7-Zip 9.38 beta</A><BR>
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218 <TABLE class=News cellpadding=3 cellspacing=1 border=0>
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219 <TR class=NewsHeader>
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220 <TD class=NewsTitle>7-Zip 9.36 beta</TD>
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221 <TD class=NewsDate>2014-12-26</TD></TR>
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223 <TD class=NewsText colSpan=2>
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224 <A href="http://sourceforge.net/p/sevenzip/discussion/45797/thread/53de5247/">7-Zip 9.36 beta</A><BR>
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231 <TABLE class=News cellpadding=3 cellspacing=1 border=0>
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232 <TR class=NewsHeader>
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233 <TD class=NewsTitle>7-Zip 9.22 beta</TD>
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234 <TD class=NewsDate>2011-04-18</TD></TR>
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236 <TD class=NewsText colSpan=2>
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237 <A href="http://sourceforge.net/projects/sevenzip/files/7-Zip/9.22/">7-Zip 9.22 beta</A><BR>
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244 <TABLE class=News cellpadding=3 cellspacing=1 border=0>
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245 <TR class=NewsHeader>
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246 <TD class=NewsTitle>7-Zip 9.20</TD>
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247 <TD class=NewsDate>2010-11-18</TD></TR>
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249 <TD class=NewsText colSpan=2>
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250 <A href="/history.txt">History of 7-zip changes</A><BR>
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260 <P><SMALL>Copyright (C) 2015 Igor Pavlov.</SMALL></P>
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