WinRAR is a 32 bit Windows version of RAR Archiver an archiver and archive manager RAR files can usually compress content by 8 percent to 15 percent more than ZIP files can WinRAR 39 s main features include strong general and multimedia compression the ability to process non RAR archive formats ZIP compression and decompression support for long filenames programmable self extracting archives SFX repair of damaged archives authenticity verification embedded file comments and encryption Unicode is supported in archive filenames allowing non English filenames to be handled painlessly You can manipulate the parameters of many archives at once and view a volume sequence as a single archive WinRAR can convert other archive formats to RAR and search for specified text and files in archives ChangeLogs of Version 3 80 beta 1
1 Added support for ZIP archives containing Unicode file names
in UTF 8 format When creating ZIP archive WinRAR stores
names in Unicode only if they cannot be stored correctly using
the current single byte character set
2 Added decompression support for WinZip AES encrypted ZIP archives
3 Improved Unicode support for RAR and ZIP archive names
4 quot Ask before overwrite quot and quot Skip existing files quot update modes
are now available in archiving dialog They allow to specify
WinRAR behavior when updating already existing files in archive
Unlike already available quot Fresh existing files only quot and
quot Add and update files quot these new modes ignore file date
and compare only file names
Command line equivalents of these modes are
a switch o enables quot Ask before overwrite quot archiving mode
b switch o enables quot Skip existing files quot archiving mode
c switch ...