Today ,rarlab.com release WinRAR3.1 Final version! What's new in readmore!
. New "Find" command allows to search for text string in archives
and usual files.

1. New "Find" command allows to search for text string in archives
and usual files.

Its command line equivalent is 'i' command.

2. New "Convert" command converts archives from one format to other.
It can process a single archive or several selected archives
at once. It is possible to select file folders to convert their
contents.

3. Repair command:

a) "Repair" is able to correct data erasure and insertion
errors in RAR archives containing the recovery record.
Earlier it was possible to fix only those errors, when
an archive size was not changed;

More info:
hxxp://www.rarlab.com/