WinZip 6.3 SR-1 addresses an issue in the original release of WinZip6.3. If you have a beta release of 6.3 or acquired the finalized release before September 29, you are encouraged to download SR-1. WinZip is a straightforward zipping and unzipping utility that includes built-in support for popular Internet file formats such as TAR, ZIP, UUencode, XXencode, BinHex, MIME, and Unix-compressed files. ARJ, LZH, and ARC files are supported via external programs. An optional wizard simplifies unzipping and installing software in ZIP files. WinZip 6.3 features automatic, built-in disk-spanning support for multidisk ZIP files. WinZip also includes an interface to the freely downloadable Internet Browser Support add-on, which lets you download and open ZIP files from the Internet with one click via Internet Explorer or Netscape Navigator. This new version of WinZip is a free upgrade for all registered users.