WINRAR 4.20
is a powerful archive manager. It can backup your data and reduce the
size of email attachments, decompress RAR, ZIP and other files
downloaded from Internet and create new archives in RAR and ZIP file
format. Changes in RAR compression RAR general compression algorithm is
optimized for better utilization of several processor cores. While some
speed gain is possible even in single processor mode, best results are
achieved in multi-core environment. Speed gain depends on data type and average file size. Several cores are utilized more efficiently when compressing large files.
