流行好用的压缩工具，支持鼠标拖放及外壳扩展，完美支持 ZIP 档案，内置程序可以解开 CAB、ARJ、LZH、TAR、GZ、ACE、UUE、BZ2、JAR、ISO 等多种类型的压缩文件；具有估计压缩功能，你可以在压缩文件之前得到用 ZIP 和 RAR 两种压缩工具各三种压缩方式下的大概压缩率；具有历史记录和收藏夹功能；压缩率相当高，而资源占用相对较少、固定压缩、多媒体压缩和多卷自释放压缩是大多 压缩工具所不具备的。
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Version 5.40 beta 2
1. Switch -scul can be used to process big endian UTF-16 list files,
provided that they have the correct byte order mark.
Previously it supported only little endian file lists.
2. 5.40 beta 1 did not work on CPU without SSE2 instruction set.
3. It could take excessively long time to cancel WinRAR "Repair"
command on some corrupt archives.
4. If "Generate archive name by mask" option was used and archive
was created in a system protected folder requiring privileges
elevation, mask was added to archive name twice.