There are a lot of innovations out there that help you manage your inbox, but sending a large file is often still difficult. Open-source file archive manager PeaZip creates and extracts files from a number of the most popular archiving formats, including ZIP, RAR, 7Z, and more. It has an attractive, user-friendly interface, customizable right-click options, and a standalone portable version you can add to your thumb drive, PeaZip has a charm worth checking out. PeaZip is free and works on both Windows and Linux.