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。
Version 5.11 beta 1
1. WinRAR can unpack TAR archives containing folders with pax
extended headers. Previous versions failed to unpack them.
2. "Keep broken files" extraction option is supported for 7-Zip archives.
3. Bugs fixed:
a) WinRAR 5.10 did not set "hidden", "read-only" and "system"
file attributes when unpacking ZIP archives;
b) WinRAR 5.10 failed to update self-extracting RAR archives
containing nested ZIP archives stored without compression;
c) ZIP archive created with "Do not store paths" option
included unnecessary empty name records for folders;
d) archived files could have 1 hour modification time error
in Windows XP;
e) deleting a file in RAR5 solid archive containing files stored
with -ver switch caused such files to lose version information;
f) black rectangles were displayed instead of toolbar buttons
in 16- and 24- bit screen color modes and Windows custom text size
larger than 100%.