Shellzip

From Menonsoft:

Shellzip is a tool that allows you to compress files.

Features include:

• Supports a variety of Archives: ZIP, 7z, SQX, LHA, BZ2, CAB, TAR, TGZ, GZ, GZA archives
• Seamless Windows integration: ShellZip includes integration with My Computer and Windows Explorer. Drag and drop to or from Explorer, or zip and unzip without leaving Explorer.
• Automatic installation of most software distributed in Zip files: If a Zip file contains a "setup" or "install" program, ShellZip's Install feature will unzip the files, run the installation program, and clean up temporary files. .
• Large file support: ShellZip supports the 64-bit Zip file format, which eliminates all practical restrictions on the size of Zip files and on the number and size of compressed files within a Zip file. Zip file capacity is limited only by your system's resources.
• Create files that unzip themselves: ShellZip Self-Extractor - Self-extracting files are ideal for sending compressed files to others who may not own or know how to use file compression software.
• Zip and E-Mail: ShellZip lets you zip files or folders and e-mail them with just a few clicks from Windows Explorer or My Computer.
• Virus Scanner Support: ShellZip can be configured to work with most virus scanners.